Chapter 1 - THE TWO SHOTS

The first gunshot struck the infected man in the mouth.
His head snapped backward, and the rotten thing that had once been a human being collapsed through the broken apartment door.
The second gunshot went into the ceiling.
Sarah Walker had meant to put it into Emily.
Her hand had moved.
The barrel had touched the side of her sister’s head.
Emily had closed her eyes.
And Sarah had failed.
Not because she was afraid of the blood.
Not because she had forgotten what Jack had made her promise.
Because Emily was still saying her name.
Not screaming.
Not snarling.
Not trying to bite.
Just whispering, “Sarah.”
The handgun kicked upward when Sarah’s wrist broke at the last second, and plaster rained from the ceiling.
Then the hallway filled with infected.
There was no time to decide whether mercy was courage or cowardice.
Sarah grabbed Emily by the back of her jacket and dragged her toward the bedroom.
“Window!”
They ran.
The apartment was on the fourth floor.
Below them, the alley was narrow, wet, and filled with trash.
A fire escape clung to the brick wall.
Sarah shoved the window open.
Behind them, bodies crashed through the apartment door.
Emily climbed out first.
Her hands shook so badly she almost missed the railing.
“Move!”
Sarah fired once more into the hallway.
A woman in a blood-soaked nightgown jerked backward.
A teenage boy crawled over her body on all fours, his lower jaw missing.
Sarah slammed the bedroom door and shoved a dresser against it.
It bought them perhaps five seconds.
Maybe seven.
In Philadelphia, seven seconds had become wealth.
They descended.
Third floor.
Second.
Above them, glass shattered.
An infected man threw himself through the bedroom window and landed chest-first across the fire escape.
His ribs cracked loudly.
He did not care.
He pulled himself forward with his hands.
Emily froze.
Sarah swung Jack’s handgun.
Click.
Empty.
“Go!”
The infected man grabbed Sarah’s boot.
She kicked his face.
Once.
Twice.
On the third kick his nose collapsed.
Still he held on.
Emily came back up two steps and drove her kitchen knife through the top of his skull.
The blade stuck.
She screamed as the infected twitched.
Sarah yanked her down.
“Leave it!”
They dropped the final six feet into the alley.
Emily landed badly and cried out.
Sarah hauled her upright.
The building behind them groaned.
The military bombardment had begun again.
Three blocks east, something exploded with enough force to turn the red morning sky white.
A pressure wave slapped down the alley.
Car alarms started screaming.
That sound brought the dead.
Figures emerged from doorways.
From between abandoned cars.
From under a delivery truck where someone had been feeding.
Sarah saw six.
Then ten.
Then too many.
“This way.”
They ran south.
Emily stumbled behind her.
Sarah could hear the change in her breathing.
Fast.
Shallow.
Afraid.
Not sick.
At least not yet.
The bite on Emily’s forearm had happened sometime during the warehouse attack. Sarah kept checking it whenever they crossed open ground.
No black veins.
No gray skin.
No clouding eyes.
Jack had begun changing within two hours.
The woman tied to the warehouse chair had turned in less than twenty minutes.
Emily had been bitten at least seven hours ago.
Sarah knew because she had watched every minute crawl across a stolen wristwatch while her sister slept.
Seven hours.
Seven hours was impossible.
That meant one of two things.
Either Emily was different.
Or her death was simply taking its time.
They reached a parking garage whose gate had been crushed by a city bus.
Sarah pulled Emily behind a concrete pillar.
“Show me.”
Emily already knew.
She rolled up her sleeve.
The bite marks were ugly.
Human teeth had broken skin in a crescent shape.
But the redness had not spread.
Sarah touched the skin around it.
Warm.
Normal.
Emily watched her.
“Am I turning?”
“I don’t know.”
“You said Jack took two hours.”
Sarah looked away.
Emily’s voice grew smaller.
“What if I’m taking longer?”
“We keep moving.”
“That’s not an answer.”
“It’s the only one I have.”
A low mechanical roar passed overhead.
Both sisters looked up.
A military helicopter swept between buildings.
Its side doors were open.
Sarah saw men strapped inside.
Not rescue workers.
Soldiers.
One of them was looking through a thermal scope.
Sarah pulled Emily deeper into the garage.
The helicopter banked.
A loudspeaker crackled.
“ALL PERSONS IN THE PHILADELPHIA CONTAINMENT ZONE ARE ORDERED TO REMAIN INDOORS.”
Emily stared.
“Why?”
Sarah knew.
Because outdoors made people visible.
The loudspeaker continued.
“DO NOT APPROACH MILITARY VEHICLES. DO NOT ATTEMPT TO LEAVE THE QUARANTINE PERIMETER.”
A burst of gunfire echoed several blocks away.
Not one shot.
A controlled series.
Then another.
Someone screamed.
The scream stopped.
Emily whispered, “They’re killing survivors.”
Sarah did not answer.
She had watched the missile hit a street full of people only hours earlier.
She had watched living humans vanish beside infected.
This was not rescue.
This was containment.
They moved deeper into the garage.
On the second level they found a sedan with the driver’s door open.
The owner lay ten feet away with half his throat missing.
Sarah searched the car.
No keys.
In the trunk she found two blankets, a tire iron, and a plastic case containing jumper cables.
Emily sat against the wall.
She looked exhausted.
Sarah crouched beside her.
“You need water.”
“I need you to stop looking at me like I’m dead.”
Sarah froze.
Emily’s eyes were wet.
“I saw your face when you pulled the trigger.”
“I didn’t.”
“You tried.”
Sarah lowered her voice.
“You asked me not to let you become one of them.”
“I’m not one of them.”
“I know.”
“Do you?”
Sarah looked at the bite again.
“I know right now.”
Emily leaned her head back against the concrete.
“Jack knew.”
Sarah’s jaw tightened.
“He knew he was changing.”
“He also knew you’d keep me safe.”
“That’s what I’m doing.”
“No. You’re waiting to decide if you have to kill me.”
The words struck because they were true.
Sarah sat beside her.
For a moment they listened to the rain tapping through cracks in the garage.
Then a radio crackled somewhere nearby.
Sarah stood instantly.
A voice.
Human.
“…any survivors receiving this transmission, avoid the river corridors. Repeat, avoid all river corridors. Military purge units are moving west from Center City…”
Sarah followed the sound.
It came from a utility room near the stairwell.
The door was chained from inside.
Sarah knocked softly.
The radio went silent.
“Hello?”
Nothing.
“We’re alive.”
A man’s voice answered through the door.
“So are lots of things for a few minutes.”
Sarah gripped the tire iron.
“My sister is hurt.”
That was a mistake.
Locks shifted behind the door.
Not opening.
Reinforcing.
“What kind of hurt?”
Emily came up behind Sarah.
“Not your business.”
The man laughed once.
Young voice.
Nervous.
“Good answer.”
The chain loosened.
The door opened three inches.
A black man in his twenties stared through the gap. He wore headphones around his neck and held a hunting bow pointed directly at Sarah’s chest.
“Hands.”
Sarah showed them.
The handgun was empty.
The tire iron went on the floor.
Emily kept her arms crossed.
The man noticed.
“What’s under the sleeve?”
Sarah said, “Don’t.”
He drew the bowstring.
Emily slowly raised her sleeve.
His expression changed.
“No.”
“She hasn’t turned.”
“Doesn’t matter.”
“It’s been seven hours.”
That stopped him.
He looked at Sarah.
“How long?”
“Seven.”
He opened the door wider.
Behind him sat batteries, bottled water, radio equipment, and enough canned food for several days.
A woman lay on a camp mattress in the corner wearing a National Guard uniform.
Her left leg was splinted.
Her face was bruised.
She was awake.
She stared at Emily’s arm.
“Let me see.”
The man objected.
“Lena.”
“Let me see it, Theo.”
He lowered the bow reluctantly.
Sarah and Emily entered.
The door closed.
The soldier introduced herself as Staff Sergeant Lena Ward.
The man with the bow was Theo Grant, a graduate student who had been repairing communications equipment for a local television station when the outbreak began.
Lena examined Emily’s wound using a flashlight.
“How many hours?”
“Seven,” Sarah said.
“Any fever?”
“No.”
“Vomiting?”
“No.”
“Confusion?”
Emily answered, “Only about why everybody keeps asking me if I’m dying.”
Lena almost smiled.
Then she pressed two fingers beneath Emily’s jaw.
Pulse.
She checked her pupils.
Normal.
“Who bit you?”
“I don’t know.”
“Fresh infected or late stage?”
Emily frowned.
“What does that mean?”
Lena looked at Sarah.
“You haven’t heard.”
“Heard what?”
“The military classifies them by progression. Fresh infected still have circulation, body heat, muscle control. Late stage are running on something else.”
Sarah did not like that sentence.
“How do you know?”
“Because I was assigned to a quarantine intake team at Temple University Hospital.”
Theo stared at her.
“You said you were logistics.”
“I lied.”
Sarah tightened her grip around the empty gun.
Lena noticed.
“If I worked intake, you’d have left me outside.”
“Maybe.”
“You should have.”
Emily pulled her sleeve down.
Lena said, “Everyone we saw bitten by fresh infected converted within forty-three minutes.”
Sarah felt the air leave her lungs.
“Everyone?”
“Everyone.”
“And late stage?”
“Faster.”
Theo moved away from Emily as if distance mattered.
Lena kept staring at the bite.
“If it’s real, your sister should be infected.”
Emily swallowed.
“But I’m not.”
“No.”
For the first time, hope entered the room.
It was a dangerous feeling.
Sarah distrusted it immediately.
“What does that mean?”
Lena hesitated.
Then the radio interrupted.
“Priority transmission. All units, update to Ashfall protocol. Red Zone population status is now zero-rescue. Repeat, zero-rescue.”
Theo turned the volume up.
A second voice followed.
“Civilian medical extraction canceled. Biohazard recovery remains authorized.”
Sarah looked at Lena.
“What is biohazard recovery?”
The soldier’s face changed.
“It means they’re not looking for survivors.”
Emily whispered, “They’re looking for infected?”
Lena shook her head.
“No.”
She looked directly at Emily.
“They’re looking for people who get bitten and don’t turn.”
Silence.
Theo stepped back again.
Sarah stared at Lena.
“How many?”
“I saw two before my unit collapsed.”
“Immune?”
“We never got that far.”
“What happened to them?”
Lena looked toward the locked door.
“They were moved.”
“Where?”
“I don’t know. Men came in without unit patches.”
Theo said, “Black uniforms?”
Lena nodded.
Theo swore.
He moved to one of his radios and changed frequency.
“I’ve been hearing encrypted traffic all night. They keep mentioning something called Harvest.”
Sarah felt cold.
“What is Harvest?”
Theo adjusted the tuner.
Static.
Then a voice emerged.
“…asset recovery teams deploy at 0900. Priority remains viable resistant hosts. Do not allow civilian evacuation…”
Emily’s face drained.
Sarah stepped between her and the radio.
Lena said, “If they know about resistant hosts, they’ll search every survivor cluster.”
“How would they know Emily was bitten?”
“They wouldn’t.”
A helicopter passed nearby.
The concrete room trembled.
Lena looked upward.
“Unless there are drones checking temperature.”
Theo moved to a small monitor connected to a rooftop camera.
Four military vehicles rolled down the street below.
Behind them moved a truck with no markings.
Men in black protective gear walked beside it.
No flags.
No names.
One of them carried a handheld thermal scanner.
Theo whispered, “Harvest.”
Sarah picked up the tire iron.
“We leave.”
Lena pointed to her leg.
“I can’t run.”
Sarah looked at her.
Lena was military.
Maybe she had answers.
Maybe she had brought danger.
Either way, Sarah could not leave a wounded woman behind.
Theo saw the decision forming.
“Oh, no.”
Sarah looked at him.
“You know another exit?”
He sighed.
“There’s a service ramp to the subway.”
Lena went pale.
“No.”
Theo frowned.
“You have a better idea?”
“Yes. Anywhere that isn’t underground.”
Sarah looked at her.
“Why?”
Lena hesitated.
Then she said, “Because the infected started using the tunnels last night.”
Emily whispered, “Using?”
Lena looked toward the floor.
“Not wandering.”
She swallowed.
“Moving together.”
Below them, something slammed against the parking garage gate.
Then again.
Theo checked the camera.
His face went blank.
Sarah joined him.
Military vehicles had stopped outside.
The men in black were entering the garage.
One carried a tablet.
Another pointed upward.
Directly toward their level.
Lena whispered, “They know someone’s here.”
Sarah looked at Emily.
The bite hidden beneath her sleeve suddenly felt brighter than a flare.
Theo lifted his bow.
“What now?”
Sarah remembered Jack in the burning warehouse.
Keep moving.
She picked up Lena’s rifle from beside the mattress.
“Subway.”
Lena closed her eyes.
“God help us.”
Sarah checked the magazine.
“God left Philadelphia three days ago.”
Then the utility-room door shook.
Someone outside shouted.
“FEDERAL BIOHAZARD RESPONSE! OPEN THE DOOR!”
Emily grabbed Sarah’s arm.
Sarah looked at Lena.
Lena whispered, “They’re not federal.”
The door shook again.
“OPEN NOW!”
Theo kicked aside a floor grate, revealing a maintenance ladder descending into darkness.
From far below came a sound.
At first Sarah thought it was wind.
Then she recognized it.
Hundreds of feet.
May you like
Running.
Toward them.