By the time the first floor of Saint Mercy Hospital became a slaughterhouse, Sera Vale had already stopped thinking in terms of order.
Order was gone.
There was only movement now.
Movement, blood, screaming, and choices you had to make too fast to hate yourself properly.
The Trauma Bay doors had jammed half-open after the first gunshots. Patients, nurses, and security were surging through the gap in both directions, turning the corridor into a crush of bodies. Overhead lights flickered between sterile white and emergency red, washing the walls in pulses that made everything look half unreal. Somebody had dropped a crash cart near admissions, and its drawers were spilling syringes, tubing, and gauze across the floor like guts.
"Seal the ward!" a doctor shouted.
"With what?" Sera shot back.
A woman in a patient gown hit the ground in front of her, clawing at her own throat. Two orderlies tried to drag her clear, but the instant one touched her shoulder she spun and tore a chunk out of his wrist with her teeth. He screamed. The second orderly stumbled backward into a row of chairs as infected from the waiting room flooded through the broken front entrance.
Freshs.
Nobody had a name for them yet, but Sera could already tell which ones had just turned. Their movements were faster. Sloppier. Like panic had been stripped down to one final instinct and sharpened into hunger.
"Move!" she yelled.
Sera grabbed a metal IV stand and drove its wheeled base into the legs of the nearest infected. It toppled hard, smashing its face against the tile. Before it could rise, she kicked the stand down across its neck and shoved a trembling intern toward the medication room.
"Inside! Now!"
The intern didn't move. She was maybe twenty-three, frozen in place, staring at a man crawling across the floor with half his jaw hanging loose.
Sera slapped her hard enough to snap her back into her body.
"Inside!"
That worked.
Four survivors made it into the medication room with Sera before she slammed the door shut and rammed a supply cabinet against it. The infected hit the other side almost instantly, pounding in frantic bursts.
Inside the room, everything was too bright.
A pediatric nurse was crying soundlessly into one bloody hand. The intern was hyperventilating. A security guard sat on the floor clutching his abdomen where something had opened him from hip to rib. The last survivor, an older maintenance worker, kept repeating, "I told them the freight elevators were wrong tonight. I told them."
Sera dropped beside the guard first.
"Let me see it."
He moved his hand.
Bad.
Deep tearing, not clean trauma. Blood soaking through his fingers in pulses. His skin had already gone waxy.
The nurse whispered, "He's not going to make it."
Sera ignored her, ripping open gauze packs with her teeth, packing the wound, wrapping pressure hard enough to make the guard grunt.
"What's your name?"
"Ben."
"Ben, look at me."
He did. Barely.
"Stay awake."
The pounding on the door got louder.
Not random now.
More bodies joining in.
The intern hugged herself and said, "They're going to get in."
"No," Sera said, tying off the bandage. "Not before we move."
She stood and scanned the room.
Medication fridge. Locked narcotics cabinet. Sharps disposal. Small vent. No real exit.
Then she saw it: the old service hatch behind the shelving racks, the one Facilities used before the pharmacy renovation.
The maintenance worker followed her eyes. "That goes to the utility corridor."
"Can it open?"
He swallowed. "If it's not rusted shut."
"Then un-rust it."
He moved.
The guard on the floor started shaking.
Sera turned back to him, and her stomach dropped.
Too fast.
Whatever this was, it didn't waste time.
His pupils were going wide, then strange. His breathing changed from pain to something rawer, more animal. He grabbed her sleeve hard enough to wrinkle the fabric.
"Don't let me—"
She took his wrist gently and lowered it.
The nurse saw it too. "Oh God."
Sera drew the compact trauma knife from her belt. Not because she wanted to. Because she understood before anyone else in the room what came next.
Ben looked at the blade, then at her face.
He gave one tiny nod.
The pounding on the door shook the cabinet.
The maintenance worker cursed from the back wall. "It's moving!"
Ben's body arched.
Sera moved faster.
One hand over his mouth. One brutal strike under the jawline into the brainstem.
His body jerked once and went still.
The intern made a broken sound in the back of her throat. The nurse turned away and vomited into a sink.
Sera just knelt there for one second, breathing hard through her nose.
Then she stood.
"Everybody up."
The service hatch screeched open into a narrow utility passage lit by weak maintenance bulbs. Damp concrete. Exposed pipes. Narrow enough that if something met them head-on, there'd be nowhere to run.
Perfect.
That meant fewer angles.
Sera shoved a box of emergency meds into the nurse's arms, handed the intern a flashlight, and pulled Ben's sidearm from his holster with hands that no longer had room to shake.
A gunshot thundered somewhere beyond the corridor walls.
Then another.
Then a burst of automatic fire from deeper in the hospital.
Not security.
Too controlled.
Too disciplined.
Sera's eyes narrowed.
Saint Mercy wasn't just collapsing.
Somebody armed was already inside it.
She stepped into the passage first, knife in one hand, pistol in the other, face set hard beneath the red pulse of failing lights.
Behind her, the medication room door finally began to splinter.
And somewhere outside in the drowned city beyond Saint Mercy's walls, Kade Mercer was getting closer.