Disclaimer: I don't own Grey's Anatomy in any shape or form. But I do own my OC.

A/N: This chapter will follow 3x06 (Let the Angels Commit) and will establish Annabelle's presence in Seattle Grace and how she interacts with a few people in particular. And some more Mark & Annabelle goodness.

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Trauma Everywhere

Chapter 3

Let the Angels Commit

"Hey," Mark greeted Annabelle, falling in step with her as they walked across the hospital's parking lot, and she looked over at him, offering him a small smile. She was wearing white jeans, an elegant teal shirt with short sleeves and a wide neckline, with shimmering light brown heels and a gold necklace. The front strands of her hair were pinned back, adding a light touch.

"Hey," she greeted him back, before slowing down as a thought came to her mind. "Hey, have you been speaking to Addison recently?"

"Addison? Why, what do you know?" Mark asked rather quickly and a bit panicky, making Annabelle stop in her track completely as he copied her actions.

"I worked with her on a case a few days ago, I was just going to ask if you know her schedule for today," she said slowly, her brows furrowed as she looked at him weirdly. "Why, what do you know? What did you do?"

"What? Nothing," he tried to omit, though sighed in defeat once Annabelle rose an eyebrow at him, "We slept together," he said quietly.

"Yeah, I know. I'm pretty sure the whole hospital knows after the scene you two made with Derek and the Chief on our first day,"

"No, I meant... We slept together a few nights ago," Mark admitted, and Annabelle had to stop her jaw from falling open.

"You..." she trailed off, not knowing what to say.

"Yeah, yeah, go ahead, call me a man whore and lecture me on how I ruined Derek's marriage," Mark sighed, and Annabelle raised her eyebrows as she looked at him in a bit of amusement.

"Well, even if you did ruin Derek's marriage, you didn't do it alone - it does take two to tango, you know," she offered him a small smile, and Mark didn't even bother to try and hide his surprise.

"So you're not going to call me a man whore?" he asked, his eyes wide, and Annabelle couldn't help but laugh.

"No, I am not going to call you a man whore," she said, turning around to continue walking towards the hospital, "Besides, I'm sure you've got enough people calling you that already, anyway," she called back with a small, teasing smile, making Mark smile in amusement before following her inside.

"Ah, Dr. Wyatt! Do you have a minute?" Addison called as soon as the two entered the hospital, and Annabelle smirked at Mark briefly before turning her head to face the red-haired woman.

"Sure. What do you need?"

"I'll leave you two ladies alone," Mark said as Addison walked over, his eyes lingering on her for a few seconds before he walked away.

"I was wondering, the E.R. isn't very full today, and I have a pregnant woman being transferred here from Mercy West via ambulance. Any way I could get you on this case?"

"Sure. I mean, as long as I don't get paged because of incoming trauma, I'm all yours," Annabelle smiled.

"Thanks," Addison offered the brunette a small smile, "They should be here in about 10 minutes!" she called as Annabelle headed to the attendings' lounge.

"What do you got?!" Annabelle called out, not in her full uniform as she and Addison walked out into the ambulance arrival area.

"Transfer from Mercy West," George spoke up, opening the folder in his hand, "Noelle Labatt, 32 weeks along, pregnant with twins," he said as Annabelle and Addison stopped beside him, Addison grabbing the folder and holding it open so that both she and Annabelle could skim through it while the patient was unloaded from the ambulance on a wheelchair with a tall African-American man around his early 30's beside her. "One appears to be developing more slowly than the other,"

"Hi," the man greeted the doctors, holding the patient's hand.

"Hi there," Annabelle smiled, before quickly eyeing her patient. She was a young Asian woman around her late 20's, her hair and eyes equally brown.

"This is my fiancee, the future Mrs. Stanton - uh, Noelle," the man smiled, and Annabelle returned the smile as they all proceeded to go inside.

"Greg, I promise you, you're the only person who cares if we're married or not," Noelle said.

"They said at Mercy that we had to come here because her condition could be serious," Greg said, still holding his fiancee's hand. "I-Is it serious?"

"Well, I've got to say, I don't understand why you're being transferred here. At first glance, you don't seem emergent enough for Mercy to send you over here in an ambulance," Annabelle spoke up.

"Yeah, you're not in labor, you're not bleeding, your vitals are fine..." Addison continued.

"They said I need a specialist because of my thing," Noelle said.

"Your thing?"

"What thing?" Addison and Annabelle asked at the same time, their brows furrowing in confusion.

"Two uteruses?!" George suddenly exclaimed from in front of them, turning around to look at Noelle with wide eyes. "Ms. Labatt, uh, Noelle was-was born with two uteruses. Uh, uteri,"

"Uteruses," Addison corrected as she grabbed the folder, reading the medical history of the patient more intently this time.

"Uteruses," George repeated, before leaning down to be on Noelle's eye level, "That's very rare," he whispered.

"Hey, could you check if the labs for the patient in bed 4 are back?" Annabelle asked one of the nurses at the main desk, having just come back from the E.R. She and Addison left Noelle with George to do some basic exams, and the brunette took those few minutes to quickly check over the E.R. and make sure that everything is running as it should be. "Thanks,"

"O'Malley. How's it feel to be the new gynie grunt?" she heard an all-too-familiar voice a few feet away, and had to contain her smile as she turned her head to look at the interns.

"Careful, Karev. Dr. O'Malley is a gynie/trauma grunt today," she said, and had to bite down on her tongue to stop herself from chuckling as she saw Alex swallow nervously. She found it amusing how the intern was still afraid of her.

"Yes, Dr. Wyatt," he nodded, and Annabelle hid her smile as she turned back around, waiting for the nurse to give her an answer.

"Oh, I got a patient who was born with and is pregnant in two uteruses," George said nonchalantly, before a smile grew on his lips. "Two uteruses. Jealous?"

"No. No, I-I-I'm busy. I'm on hold," Alex said, gesturing to the phone he was holding to his ear.

"Oh,"

"Yeah, important business,"

"Right,"

"For Sloan,"

"Right, super important, I'm sure important," George said, before handing the nurse at the desk his patient's files, "Nicole Labatt, room 2314," he said before walking away, singing softly to himself, making Annabelle chuckle quietly.

"They said the labs should be ready in 15 minutes," the nurse finally replied to Annabelle's question, and the brunette nodded.

"Alright, thanks," she said, and proceeded to walk past Dr. Karev, but stopped in her track as a beautiful woman with short brown hair approached him.

"Did I just hear him say 'two uteruses'?"

"I'm sorry, you are...?" Annabelle trailed off as she looked at the woman.

"Nancy-Pants?" she heard a familiar voice from behind her, and turned around, only to see Mark looking at the woman with a small smile growing on his lips.

"Hey, loser," the woman, Nancy - Annabelle guessed - grinned, walking over to the surgeon and wrapping her arms around his neck.

"I wish Derek had told me you were coming to visit," Mark said as he hugged her back tightly, while Annabelle and Alex watched in interest.

"Oh, like he tells you anything these days?" Nancy said sarcastically, patting him on the back before pulling away.

"Yeah, well, I'm working on that,"

"What are you doing here, Mark? Are you trying to torture him?" Nancy asked.

"He's my family, Nancy," Mark said, and Annabelle couldn't help but feel her heart break just the slightest as she saw the broken look in his eyes, which he quickly covered up, "Plus, I needed a change of pace," he said, but Nancy simply looked at him. "Plus, I slept with my tennis partner's wife and he went out and bought a gun,"

"There it is,"

"Oh, my God," Annabelle heard and turned around, only to see Addison grinning as she looked at Nancy, "Nancy!" she squealed, immediately engulfing the woman in a tight hug, "Let me guess. Did Mom send you out?" Addison asked as she pulled away.

"I hear Derek's trying to ban you from Seattle," Nancy said.

"Did he also tell you that he's living in a trailer?"

"Yeah," Nancy laughed, just as the elevator doors opened and Derek stepped out, "Derek," Nancy waved him over, but the neurosurgeon looked at Mark and Addison, and that was enough for him to turn around and walk away, "Oh, Derek!" Nancy called, proceeding to follow him before stopping and turning around to look at Addison. "I want to see the two uteruses!"

"Yeah, um, find me later," Addison smiled, watching the woman run after Derek.

"I miss her," Mark commented.

"Yeah... me, too,"

"Dare I ask who that was?" Annabelle asked, a bit of laughter in her voice.

"Derek's sister," Mark replied, and the brunette's eyes grew wide despite her tries to keep her expression emotionless.

"Right,"

"...I read a couple articles on that recently, actually," Annabelle heard the last part of Alex's sentence as she, Addison and George arrived at Noelle's room.

"Dr. Karev," Addison raised her eyebrows as she greeted the young man. "I knew you secretly missed my service,"

"Right," Alex half scoffed, half grinned nervously as Addison and Annabelle stepped further into the room.

"Greg, Noelle, we have very good news for you," Annabelle smiled at the couple, "According to our tests, the babies are both perfectly healthy," she said, making the parents-to-be smile in relief. "They are however in substantially different sizes for a quite unique reason, actually. The tests indicate that the babies have two different due dates,"

"According to our calculations, the larger baby, your son, was conceived a full six weeks before your daughter," George finished, and while he, Annabelle and Addison all smiled, Noelle and Greg both got weird looks on their faces.

"I..." Greg trailed off, shaking his head.

"Oh, God," Noelle mumbled.

"I-I don't-I-I don't understand, that-that can't be right, that's impossible," Greg stammered, while Noelle's eyes grew large.

"No, actually, it's quite possible, our tests are extremely accurate in predicting due dates," Addison said.

"But we broke up," Greg said. "Yeah, see, she, um, she got pregnant. I wanted to get married, she didn't, I gave her an ultimatum, and she left me,"

"Greg, I am so sorry, I am so, so sorry, I am-"

"I mean, we were barely speaking six weeks after the conception let alone having sex," Greg cut his finacee off and stood up after scoffing in disbelief, and all the doctors remained silent as they realized that they accidentally not only got themselves involved in the patient's private matters, but also revealed the patient's secret of infidelity to her fiance. "Or at least I wasn't having sex,"

"It was one night, Greg, it was one night, I... I didn't think that this could happen, it was nothing," Noelle tried to explain herself with tears in her eyes as Greg scoffed.

"I can't believe you did this! I can't believe you didn't tell me!"

"Oh..."

"God, I can't believe this," Greg spat out before leaving the room, while Noelle collapsed back against the pillows.

"He's not the father of both babies," George muttered, whether to point out the obvious or simply in surprise, Annabelle didn't know as she and Addison both rolled their eyes.

"Hey," Mark greeted Annabelle from his spot beside the nurses' desk in the E.R. as she walked over, but all the brunette did was sigh as she rested her arms on the desk. "You okay?"

"I am so sick of accidentally getting involved in literally everyone's business in this hospital," Annabelle groaned, "That's the last thing I ever wanted to do! I just wanted to come here and work and be the best damn trauma surgeon this hospital has ever seen, and yet here I am, getting involved in something that does not concern me, again!" she exclaimed in frustration before sighing and covering her face with her hands, while Mark stared at her with raised eyebrows, leaning an inch or two away after her outburst.

"What?" he finally decided to bite, and Annabelle sighed before running her hands through her hair and looking up at him.

"I just accidentally told my patient's fiance that she cheated on him,"

"How?" Mark asked with a chuckle, unable to help himself.

"She's pregnant in two uteruses and one of the babies' due date is six weeks earlier than the other's. However, it turns out that she and her fiance weren't even together six weeks after the first baby was conceived," she explained briefly, before sighing as her pager beeped, "Damn it, I have to go," she said hastily before quickly running off, not giving Mark even a chance to open his mouth.

"Nice talking to you, too," he muttered to himself, though couldn't help the amused smile that made its way onto his lips. As strange as it was, he genuinely enjoyed talking to the brunette. And that actually scared him a bit.

"What's going on?!" Annabelle asked loudly as she ran into Noelle's room, only to see Noelle on her feet, leaning her arms on the bed as her entire body shook while Addison and George stood beside her.

"She's hyperventilating and the baby's had some bradycardia," Addison told her quickly before looking at their patient. "Noelle, I need you to get back into bed now,"

"Is Greg out there? Did he leave? Like, really leave?" Noelle fired one question after the other as Addison and Annabelle analyzed the monitors and the baby's bradycardia.

"Just, take deep breaths," George tried to soothe her and get her back into bed at the same time.

"I always give him such a hard time, you know, about everything, like he likes weddings, I hate them. He loves kids, and me, they scare me to death," Noelle rambled before gasping to catch her breath.

"Noelle, have you had any cramping, any contractions, any pressure at all?" Addison asked as she grabbed the woman by the shoulders and sat on the bed beside her.

"But I can't do this without him! We'll get past this, right? We have to get past this-" Noelle was cut off with her own scream.

"Damn it!" Annabelle explained as she and George both rushed to catch Noelle as she nearly toppled off the bed. "Alright, Noelle, I need you to get back into bed now, alright?"

"Why, what's happening?! Ow!" Noelle yelled in panic as the three doctors eased her back into bed.

"Stay on your left side, and whatever you do, do not push, okay?" Addison instructed as George pressed an oxygen mask to Noelle's mouth and nose to help her breathe. "Okay, I need slow, deep breaths,"

"Okay. I've completed the incision, I'm going to ask you to move the top uterus to the side so I can reach the one underneath," Addison said to George as they both stood by the table on which Noelle was lying, now completely under the anesthesia, multiple surgeons in the gallery to watch the once-in-a-lifetime surgery, Annabelle standing on the side but still in the O.R. with a surgical mask on her face but not scrubbed in, being there for simply safety reasons. If things went south, she would step in and try to stabilize the patient. Other than that, this was Addison's spotlight.

"Got it," George nodded, moving the top uterus to the side as instructed.

"Now, I don't want to alarm you or make you nervous in any way, O'Malley, because you seem like a decent person, but I've got about 120 seconds to get baby one out of the uterus while you're holding uterus two, and if you so much as hiccup, you could tear the uterus wall and kill this woman's child, so do what you can to be careful, okay?" Addison said, and Annabelle shared a glance with Nancy, who was also in the O.R., wanting to watch this surgery more than anything seeing as she was an OB herself.

"Okay," George nodded determinedly.

"Wow, look at that," Nancy whispered in amazement as Addison revealed the two uteruses.

"Amazing, huh?" Addison smiled, and Annabelle briefly looked up, halting her gaze on Alex Karev, who seemed awfully eager to catch a glimpse, "Ready to perforate uterus two. Scalpel," Addison spoke up again and held out her hand for the instrument.

"Wait. Wait, Dr. Montgomery," George suddenly spoke up. "My baby's moving. It's really moving, I can't hold it,"

"George, I need you to her still if I'm gonna do this c-section," Addison said, and Annabelle straightened up as she took a step closer.

"I'm trying,"

"I mean it, O'Malley,"

"What should I do? It's really moving. I can't hold it,"

"I need you to keep her still,"

"You're sending her into distress," Annabelle spoke up as she looked at all the monitors around them.

"You have to get that baby to stop moving," Nancy spoke up from beside her.

"How do I do that?" George asked loudly.

"Talk, O'Malley," Alex suddenly spoke up, stepping off the stool he was standing on and walking up to the table.

"Alex!" George said loudly, not sure if he was telling him to back off or come closer.

"Karev, back away from the table," Addison ordered.

"Talk to it. To the baby, to calm it down," Alex stayed where he was, telling George what to do.

"Karev..."

"Talk about what?" George asked, deciding that he could use all the help he can get.

"October 30th, 1974 - it's the fight known as 'Rumble in the Jungle'. World heavyweight champ George Foreman is pitted against Muhammad Ali in his first major fight after three and a half years out of the ring," Alex said, tilting his head so that he was talking directly to the baby still in the uterus.

"It's working," George nodded, and Annabelle looked at the monitors.

"Well, I'll be damned," she whispered to herself as she noticed that it really was, indeed, working.

"Foreman is favored to win. He's younger, he's stronger..." Alex continued.

"Scalpel," Addison finally held out her hand again after nodding, also noticing that Alex was doing a very good job in keeping the baby calm.

"But he's not prepared for what Ali would later call the rope-a-dope," Alex continued, and Annabelle couldn't help but look at the intern in awe. Who would've thought that the smug, cocky Karev would turn out to be a genius in OB/GYN of all things? "It all started in the second round. Foreman comes out swinging. Ali's backed up against the ropes..."

"Dr. Sloan," Annabelle suddenly stopped in her tracks around the corner of the scrub room as she heard Alex address the attending after the surgery on Noelle was over, wanting to hear the conversation without being noticed.

"So we're clear," Mark said. "You knew when you stepped into that surgery, you were forfeiting your future in plastics, right?"

"But, Dr. Sloan-"

"I need my phone back," Mark cut him off, and Annabelle couldn't help but roll her eyes. How is it possible for a truly decent guy to be such a douche?

"Don't dwell too much on this," Annabelle finally revealed herself once Mark walked away, making Alex turn around to look at her in surprise. "He might have actually done you a favor,"

"What?" Alex asked, half surprised, half confused.

"I saw what you did in there, Alex. And I saw how you did it," Annabelle said, "Whether you admit it or not, you loved every second of it. You may think that you want a future in plastics now, but you don't. Not really. Because trust me when I say this: no one who puts so much effort into saving a patient who's not even theirs belongs in any other specialty than the one they put their soul into that day. Whether it's peds or OB/GYN... that's where you belong, Karev. That's where you have a future," she said, before patting him on the shoulder and turning to leave, only to stop a few steps later and turn to look at the intern, who had a contemplating look on his face, again. "And by the way... Good job," she offered him a smile, before walking out of the room. There will be a good surgeon of that Karev guy one day.

"What happened?" Noelle asked drowsily as she slowly woke up from the anesthesia, now back in her room as Addison examined her while George filled out her chart and Annabelle simply stood off to the side, wanting to make sure there were no post-op complications. "Are my babies okay?"

"The surgery went very well. You have a healthy baby boy and the labor stopped on your little girl, she's gonna be just fine," Addison smiled gently, placing her hand on Noelle's shoulder.

"And Greg? Has Greg come back yet?"

"No, Noelle, I'm sorry. Greg isn't here," Addison said with a small, sad smile as Noelle drifted back off to sleep. "I want an update every half-hour, and I-"

"What happened?" Addison was cut off by Noelle, who opened her eyes again. "My babies?"

"They're just fine, you're just coming out of anesthesia, Noelle," Addison assured again. "Everything went very well,"

"Is Greg back yet?" Noelle asked again, and Annabelle glanced down at her feet. It was one thing watching the patient go through the I-don't-know-what's-going-on phase once, but over and over again is a real nightmare.

"I'm so sorry, Noelle, he's not here," Addison said quietly, and Noelle drifted off to sleep again with tears in her eyes.

"And be sure to alert me to any fetal distress," Addison finally finished her instructions to George, who nodded.

"What happened?" Noelle woke up again.

"Your babies are healthy, Noelle, everything's okay," Addison assured her once again, and Annabelle sighed quietly as she pushed herself off the wall she was leaning against.

"Is Greg back yet?" Noelle asked again, tears in her eyes, her voice choked up, and Addison looked at her sadly.

"I'm right here," came a voice from the doorway suddenly, and everyone looked up, only to see Greg standing before them.

"Hi," Noelle's voice cracked as Greg walked over to take her hand.

"Hi," he whispered as all the doctors stepped back to give them some privacy, "I, um... I saw our son... He's amazing," he whispered with tears in his eyes, and Noelle started to cry, whether from happiness or worry, Annabelle didn't know, "But how's our little girl?" Greg suddenly asked, and they all looked at him in surprise, Noelle starting to sob as Greg placed his hand on her stomach, her hand finding its way on top of his. Annabelle and Addison shared a look as they smiled, the brunette looking up as she breathed out, not wanting the tears in her eyes to fall down. Maybe... Maybe there is true love in this world after all.

"Thanks," Annabelle smiled at the nurse at the main desk as she handed her the last chart of the day. She then sighed, running her hand through her hair and looking up, preparing to leave the hospital for the night, only to stop as she saw Mark leaning against the wall, a strangely sad look on his face, "Hey," she spoke up, walking up to the man, using the catchphrase he always used on her.

"Hey," he greeted her back quietly, only glancing at her before looking back down.

"Okay, what's wrong with you?" Annabelle decided to get straight to the point, never having seen the handsome - ridiculously handsome - surgeon so down before. Granted, she only knew him for two weeks, but still.

"What?"

"You look like I did earlier today, only worse," Annabelle pointed out, making Mark chuckle quietly. "Seriously, what's wrong?"

"You don't want to know," he shook his head before pushing himself off the wall and proceeding to walk away.

"Actually, I do," she said a bit louder, making him stop in his tracks before turning around to look at her, a surprised look on his face. After being silent for a few seconds and seeing that she was actually serious, he simply shrugged.

"I got stood up,"

"Ah," Annabelle nodded, now understanding, "And let me guess, the infamous Mark Sloan never gets stood up so this is unfamiliar territory,"

"I'm sorry, did you just want me to tell you so that you could mock me?"

"What, you mean like you mocked Karev today?" Annabelle raised her eyebrows, "Doesn't feel good, does it?" she asked, before sighing as Mark looked down. "Okay, come on, let's go,"

"Where?" Mark asked in confusion, turning around to follow her with his gaze as she walked past him.

"I'm buying you a drink," Annabelle said as if it was the most obvious thing in the world. "Unless I'm not up to your standards," He could heart he teasing in her voice.

"I'm sure you're just fine," he offered her a half smile, half smirk, and Annabelle returned it.

"Let's go, then. Before I change my mind," she called over her shoulder as she turned around to walk out of the hospital, smiling as she heard Mark chuckle from behind her.

A/N: First of all, please go read my other GA story "Operations. Temptations. Frustrations." I'm definitely more concentrated on that one than any other one of my stories and I personally thinks it's also better than any other one of my stories, though that definitely does not mean that I am abandoning this story. And if you do decide to read it, please don't just assume that it's a Derek/OC like about 10 people did after just reading the first chapter, because I can assure you that I meant Merder when I tagged Merder. Which means it's not a Derek/OC story.

Second of all, I was a bit unsure of the way I approached this chapter, but I hope I did it justice. I hope you like the Mark & Annabelle that I working in this chapter. I think he and Annabelle will be good for each other, not just romantically but as friends as well.. And we finally got some hospital action as well. Annabelle's quite the mastermind. She figures out a way to deal with not just the E.R. but any cases she is asked for a consult on.

I hope you guys liked the case in this chapter. I had a hard time deciding where I wanted Annabelle in this episode, but it seemed to me like this was the only actually case that came through the E.R. that wasn't a small burn or cut, so...

Anyway, hope you all liked the story and don't forget to review!