Arizona was numb. Utterly and completely numb. This couldn't be happening. Callie wasn't… She couldn't be…

"We need to clear this room. NOW!" The officer standing over them barked the order when he realized what was going on.

"No." Arizona clinched her jaw against the tears streaming down her face. "You're not doing this." Determination filled her body. "You're not doing this!"

She tipped Callie's head back, forcing her mouth open. "You're not saving my life and then leaving me!"

She linked their lips, blowing precious life's breath into her lover's lungs. "You can't!"

Her hands instinctively went to the correct spot for compressions. "I won't let you!" She growled as she pumped Callie's chest.

She let herself get lost in the all too familiar rhythm of CPR. Anytime she had to use the lifesaving technique it tore at her but this was different. Callie wasn't the only one at stake. If this didn't work her life would be over too.

"Arizona."

She ignored the voice, checking for a pulse before leaning in for another round of breaths. "Come on baby. Please." She started more compressions. "Come back!"

"Arizona."

She shrugged the hand on her shoulder away, concentrating on Callie. "Please." Her body shook as the sobs she'd been holding at bay finally escaped. "Please Calliope."

Strong arms closed around her. "Come on Arizona."

"No." She struggled to escape as she was pulled away from Callie. "She needs me!"

"You're right, she does need you, but she needs them too." Mark's voice was gentle in her ear. "Let them help her."

As if on cue Bailey and Hunt descended on Callie. Mark moved Arizona out of the way as Hunt wasted no time sweeping the Latina's fragile body up in his arms to put her on the bed someone had pushed into the room. As soon as he laid Callie down Meredith Grey cut her shirt open to hook her up to monitors and Alex Karev put an oxygen mask over her face. Bailey started compressions when she saw her co-worker was flatlining.

"She can't…" Arizona's voice was ragged as her body sagged. "She can't be gone Mark."

"She isn't." He held her close. "She's a fighter Arizona. She's not going anywhere."

Hunt shook his head after listening to Callie's chest and watching the monitors keeping track of her condition. "That's not working. We need the crash cart."

Arizona felt sick. Defibrillators could work miracles but they could also signal the beginning of the end.

"Charge to 300." Owen waited for Meredith to set the machine. "Clear!"

She whimpered as the paddles touched Callie's body, causing her to jerk on the bed. But none of her vital signs changed.

"Again."

She turned, burying her head against Mark's chest. She couldn't watch. She couldn't bear witness to what was happening to her Calliope.

"Clear!"

A slow, irregular beeping sound filled the room.

"You got her." Bailey's relief was evident.

Arizona pulled away from Mark, hope shining in her yes. "She has a tension pneumo. I was about to put a chest tube in when everything happened."

Owen nodded. "I need a large bore needle."

Meredith grabbed one from the crash cart. "Here."

"Thanks." He removed the plunger and slipped the needle into Callie's chest, allowing the air that had built up to escape. He nodded as her vital signs improved slightly. "We need to intubate and get a chest tube in."

"Karev." Bailey motioned at the intern. "You intubate, I'll handle the chest tube."

"I'm on it." Alex's voice was grim.

Owen turned his attention to Arizona and Mark. "Thanks for the help but you can't be in here right now."

Arizona looked at him like he'd sprouted a second head. "What are you talking about?"

"He's right." Bailey agreed. "Get her out of here Sloan."

Mark frowned. "But..."

"You heard me." Miranda gave him her best Nazi look. "We're all close to the situation here but you two are closer than anyone. You can't help her right now and we don't need any back seat doctoring while we're working on her." She looked past the pair at the others packing the room. "Or any of the rest of you either. Karev, Grey you can stay. Everyone else get out too."

Owen looked up at the heart monitor as an alarm went off. "Forget the chest tube. We need to get her to surgery."

"I'm scrubbing in." Arizona declared.

"Absolutely not." Bailey shook her head.

"Then I'll watch from the gallery."

"No you won't." Chief Webber spoke as he walked into the room. "What are all of you people doing here? Dr. Torres is in the best possible hands. Now get back to work!"

Arizona watched as interns and residents alike scrambled to leave. "Sir, I..."

"Don't even try it Robbins. You either Sloan. No one's watching this one from the gallery. Dr. Torres deserves her doctors' undivided attention and that's exactly what she's going to get." He looked back and forth between Arizona and Mark. "Am I making myself clear?"

The alarm on the monitor sounded again.

"We have to go." Bailey announced, already moving the bed toward the now open doorway.

"Calliope." Arizona panicked at the thought of being separated from her. She managed to brush her fingertips against a limp hand as they rushed past.

"The chief's right Arizona, she's in the best possible hands right now." Mark squeezed her shoulder. "Come on. We'll go lay claim to one of the consult rooms on the surgical ward. We won't have to share it with anyone like we would the family room."

"Not so fast." The chief spoke again. "Robbins, I want you to get checked out by Shepherd."

"What?" Arizona frowned. "Why?"

"The nurse who was in here with you two said you almost passed out from hitting your head on the wall."

Mark's brow furrowed in concern. "You hit your head?"

Arizona ignored him. "But I'm…"

"You could have a concussion. You're getting examined and that's that." Richard's face softened. "I know how worried you are about Torres but you're not going to do her any good by ignoring your own health. Besides, the board of the hospital will have my ass if I don't follow up on what that nurse is saying. So humor me. Derek is already waiting for you in curtain three."

"Can it at least wait until after I call Calliope's parents? They need to know what happened."

"You go get checked out, I'll call Callie's parents." Mark continued before she could argue. "You need to let Derek make sure you're all right. Callie would never forgive me if something happened to you while she's out of commission."

"Fine." Arizona sighed, drawing her cell phone out of her pocket. "Their number is stored in my contacts."

"Great. I'll take you to curtain three and then call them."

"I could take her to see Derek." Christina spoke up from just outside the door in the hallway. "I mean…" She swallowed nervously as they all turned to look at her. "Callie's not just my roommate, she's my friend. I'd like to help."

"Are you all right with her tagging along Dr. Robbins?" The chief clapped his hands when she nodded. "Then it's settled. Sloan, go call the Torres'. Yang, you be sure Robbins makes it to Derek. Don't let her try to talk you out of it."

"I won't." Christina assured him.

"You better not." He warned her. "I'm going to go see how the surgery is going. I'll let you know something as soon as I can." He looked at each of them in turn almost as if he had more to say but didn't before hurrying away.

"I'll come find you as soon as I'm off the phone." Mark squeezed Arizona's shoulder again. "And remember what I said. Callie is a fighter. She won't let some snot nosed gang banging punk take her out."

Arizona put her hand over his for a split second before walking out of the room, Christina hot on her heels. All she could do was hope and pray that he was right. That Callie would make it through surgery because quite honestly, she didn't know what she would do if she didn't.