A/N: I have a question for you readers, are any of you watching The 100? Because holy crap I love it. Here we go, chapter 39.

-B

June, 2015:

You swallow as you stand in the overlook box as Mercedes and Sam, and Dr. Thorn freeze Christine's body in the room below.

"We're really doing this?" Mike asks you in a whisper from your left. You glance to your right, Santana and Noah standing with their jaws clenched, watching intently at what was going on in front of them before you nod. "Not too much pressure." Mike adds and you glance at him with a twitch of a smile. He smiles at you and you shrug.

"I know it's going to be tough but if they trust us enough to put Christine's life in our hands-I mean, Mike, they made this our case. Not the four of us, you and me." You whisper, glancing back at Santana listening to something Noah is telling her. She nods and replies quietly as you look at Mike.

"I know. That's what's freaking me out a bit." He admits.

You watch Sam, Mercedes, and Dr. Thorn as they finish up and swallow when Mercedes's voice comes through the intercom, "Temperature is down to ninety." She says, looking over the machines pushing the fluid into her body. "Bypass circulating." She says before looking up and giving you a thumbs up, "She's stable."

"So why exactly are we doing this?" Mike asks and you shift, glancing at Santana and Noah who look towards you.

"It bought us time to think." You tell him before taking Santana's hand, squeezing quickly, and leaving the room with Mike following.

"Okay." You say while standing at the white board with Noah's black marker in hand. "The trauma must've triggered a pre-existing heart condition." You say while writing 'tachycardia' down. "That makes sense right?" you ask with a wince, looking back at Mike leaning against the table in the office. He looks up from Christine Puckerman's file and puts the file down, nodding faintly.

"Autoimmune congenital anomaly." Mike says, pushing up from the table to stand on the other side of the white board while resting his hand on top of it and looking at you, "Blood clotting disorder, lead poisoning…"

"It could be anything." You state, shaking your head as you stare at the one word on the board, "It can literally be anything and it's up to the two of us to figure it out." You say, glancing at Mike as he swallows and nods reluctantly. "I don't think I can do this, Mike." You tell him, looking down at the marker in your hand. "And if we can't figure this out and she doesn't make it…"

"Brittany, stop." Mike says, putting his hands on your shoulders. He squeezes lightly to get you to look at him and you do. "You've been working alongside Puck for eight months. That man is great at what he does. And with Santana and myself with him, we've made a name for ourselves in the world. Now we have you. Another genius to add to the group. You are the best addition we could've asked for and you are so, so smart, Brittany. If there is anyone that can handle this and solve the puzzle right now, it's you." He says sincerely, looking between your eyes. You wet your lips and nod faintly.

"Okay." You breathe and shake your head as Mike steps back. You arrow your eyes at the board and tap the marker in your hand.

"We could narrow it down by looking for arterial blockages."

"How? With an echo? You can't see wall motion when there is no motion. EKG, nope. Heart's in the off position. Thallium uptake scan is useless on a cold heart."

You and Mike look towards the door and you smile widely in relief as Quinn and Sebastian walk into the room, "What are guys doing here?" you ask as Quinn takes a seat, Sebastian tucking his hands into the pockets of his lab coat with a smile.

"My days have been a bit slower as of late-" Quinn says.

"And I'm not booked for the next couple days." Sebastian adds, sitting on the edge of the table, "We thought you might want some help. It can get a little overbearing your first time in control."

"Also seeing as its Christine." Quinn says sympathetically and you nod.

"Thank you." Quinn and Sebastian smile and you clear your throat, "Okay, so besides an Echo, EKG and Uptake Scan?"

"We get her an angiogram, it can show damage even on a stopped heart." Mike suggests. You nod and turn to the board. When you don't hear anyone moving you do a double take back at them, their brows lifted expectantly. "You're in charge, Britt." Mike reminds you.

"Oh, uh…do the angio. Mike, talk to Juan and see if you can get the name of the hotel and if he'll give you the key to the room. Check for anything." You tell them and Sebastian and Mike get up and leave as Quinn stays behind. You put the cap on the marker and put it down before running a hand through your hair as you turn. "I'm not ready for this, Quinn." You say, your voice cracking.

Quinn gets up and pulls you into a hug as you try to hold back from crying, hugging her tightly.

"It's too much pressure." You say and she nods.

"I know." She says, pulling her head back to look you in the eye, "But you can do it. And you have me, Sebastian, and Mike with you. Plus there is no doubt in my mind Santana and Noah will be coming around once in a while to see what's going on." She smiles and you let out a faint chuckle, nodding in agreement.

"I know, I just…I didn't expect my night to go like this, you know?" you say, pulling back as you let out a shaky breath. You take a seat and stare at the whiteboard before looking at Quinn. "We had our first date tonight." You tell her and her eyes widen. "And it was perfect."

Quinn smiles and sits down beside you, "I just really want to be able to save her. I don't want Santana or Noah to have to lose her. And I don't want them to think I didn't do all that I could." You admit quietly and Quinn puts her hand over yours.

"They won't." she states and you let out a breath, nodding.

You walk into the room and Mike and Sebastian look up from the file they were reading, Quinn making a coffee. You slow before remembering what was going on and nod, motioning for them to tell you what they found.

"Coronary angio was negative." Sebastian says.

"As was the tox screen." Mike adds as you run a hand through your hair.

"That's it? Just negatives?" you ask as Quinn walks over, handing you the coffee. You mumble a thank you and look towards the whiteboard.

"She had prescription diet pills with her."

"She's a sixty-three year old woman, at one hundred and seventy lbs." Quinn states, looking at the bottle of pills on the table. "What the hell does she need diet pills for?" You shake your head, not knowing the answer to that question, as Mike continues.

"SSRI's, amphetamine." Mike says and Quinn hands the pills to you, "Diet pills cause structural damage to the mitral valve. Could explain the tachycardia."

"She'd have to be an addict for it to damage her heart." You furrow your brows and glance at the door when it opens. You straighten as Noah walks in with Santana and she smiles sadly at you.

"Do you have anything?" Santana asks and you hand her the pills. "Vitamins?"

"Prescription diet pills." You correct and she looks at you in confusion as Noah takes a look at the bottle. "We're considering the idea that she might've taken too many and caused structural damage to the mitral valve." You tell them both as Noah shakes his head.

"I would know if she was taking too much. You're suggesting she's an addict."

"Did you know she had them in the vitamin bottle? Or that she was even taking anything?" Quinn asks and Noah glances at Santana in shame.

"We need to warm her up. Get her heart beating so we can perform a CT to confirm." Mike says and Noah shakes his head firmly as does Santana.

"No." Santana says, "We've been over this. Starting her heart could cause brain damage. Could burn out the heart muscle." She states, looking from Mike to you. "You can't start it." She says and you glance at Quinn who gives you an encouraging nod.

You wet your lips and shake your head faintly, "Test her heart without starting it." You say and glance at your temporary team, "Open her chest, stick a finger in the pulmonary vein, and run it across the valve."

"You're serious?" Sebastian asks in disbelief, "You think that's the safer course?"

"If we're wrong it is." Quinn nods and you let out a breath.

"When did we start assuming we're wrong?" Sebastian asks and you glance at Santana before looking back at him. He follows your gaze and shakes his head, "You can't do that." He says gently before looking between you, Noah, and Santana, "If this were any other patient-"

"If the valve is calcified, that's our answer." You shrug, "That's our cure." You tell him and he looks over you for a moment before nodding. "Go." You say and he leaves with Mike as Noah follows closely. Quinn glances at Santana and then you before nodding and following the boys, leaving you and Santana.

You run your hand through your hair as you walk to the table, dropping into a seat and Santana sits next to you.

"Why did you and Puck give this case to me and Mike?"

"We gave it to you, Britt." She says and you shake your head.

"Why?" you ask, looking at her in confusion. She lets out a heavy breath and thinks before shrugging.

"I trust you." She says, quoting you from months earlier. Your lips twitch and she reaches for your hand, linking your fingers above the table. You take in a sharp breath, looking from your hands to Santana, and she leans forward, kissing you lightly before pulling back. You slowly open your eyes and she runs her thumb over the side of yours. "You're a genius, Britt. And we can't do anything because we're family. When it comes to those who are very dear to me, you'll always be who I go to, god forbid we're ever in a situation like this again." She says and you swallow as she looks at you fondly, "You can do this. Just trust yourself." She says before standing up and squeezing your hand.

You push open the OR door with your back, holding your hands in front of you and Mercedes quickly helps you put on your scrub shirt. You had put on your mask and hat, tying your hair up, outside before washing your hands.

Christine was lying on the table with multiple IV's hung around her, and a large monitor in the corner showing her face. The large lights above her were lit and it was silent. You walk over to the table and Sebastian looks over at you while adjusting an IV. You stand beside Quinn as she moves to pull the tape keeping her eyes closed, and put your hand out.

"Wait." You say quickly with furrowed brows, "Look at her eye." You say and Quinn looks away from you, lifting the tape to lift her eye lid. "She's jaundiced."

"Her liver's not working." Mike says from behind Quinn, looking over her shoulder and you glance up from Christine's eye to Quinn and then to Mike before looking up towards the overlook box.

Noah and Santana shift, watching you, and you look away from them as Sebastian addresses you.

"Diet pills don't kill the liver." He says and you nod.

"Put her back in ICU." You tell them before glancing back towards Santana.

A/N: So I don't really know if there was anything in here that needs a description...if there is something you can let me know and I'll explain it in the authors note next chapter but I don't think it's necessary. Eh, who knows. Anyway! So Quinn and Sebastian joined the team to help out and I love that. Puck and Sebastian will be butting heads with this case so you'll see more of Puck's rash side along with Brittany struggling to find herself with her temporary position.

Yay for cute Brittana office moment.

-B