Chapter 36
title: "The Backdoor Protocol" wordCount: 2597
My phone buzzes as I step into the backyard: TIMER EXPIRED. CONSEQUENCE DEPLOYED. Then I see David standing next to Vincent Voss, and David won't meet his eyes.
The tactical lights they've set up turn the grass white. Three men in black tactical gear flank Voss, weapons lowered but ready. David stands apart from them, hands shoved deep in his pockets, staring at something near his feet.
"Marcus." Voss's voice is calm. Professional. "Thank you for being punctual."
I stop ten feet from them. The burned skin on my left hand throbs where I'm gripping my phone too hard.
"Where's Emma?"
"We'll discuss that." Voss gestures to David. "First, I believe your friend has something to tell you."
David finally looks up. His eyes are red-rimmed. There's a bruise on his jaw I didn't notice earlier.
"I'm sorry," he says.
The words don't land right. They're too flat, too rehearsed.
"David—"
"Eighteen months." His voice cracks. "I've been feeding them information for eighteen months."
The backyard tilts. I take a step back, hit the patio chair, steady myself against it.
"That's not—"
"Your meeting schedules. Your development timeline. The names of everyone on your team." David's talking faster now, words tumbling out like he's been holding them in too long. "I gave them everything. The authentication protocols, the neural network architecture, even the—"
"Stop." My voice sounds distant. "Why?"
Voss answers instead. "His brother. Acute lymphoblastic leukemia. Stage four when we found him. The experimental treatment at Stanford costs four hundred thousand dollars per year."
David's hands are shaking. "They paid for everything. The treatment, the hospital bills, the—"
"The same shell company that hired Gerald Voss to run Lily off the road." I'm looking at Voss now, not David. "You've been planning this since before she died."
"We've been planning this since you were nineteen years old and published that paper on recursive neural networks." Voss pulls out his phone, taps the screen. "You were always going to build something revolutionary. We simply ensured we'd have access when you did."
The tactical lights make his face look carved from marble. Inhuman.
"David's brother," I say. "Is he even sick?"
"Stage two now. Responding well to treatment." Voss slides his phone back into his pocket. "We keep our promises, Marcus. Unlike you."
"What does that mean?"
"You promised us the encryption keys by midnight. It's now 12:07." He nods to one of the tactical team members, who pulls out a tablet and turns it toward me. "So we kept our promise instead."
The screen shows a warehouse. Concrete floor. Metal shelving. And Emma's body, small and still, lying in a pool of spreading darkness.
My knees buckle. The patio chair catches me.
"Three minutes ago," Voss says. "When you missed the deadline."
I can't breathe. Can't think. The image on the screen blurs and sharpens and blurs again.
"You killed her."
"You killed her." Voss's voice is still calm. Still professional. "By choosing your technology over her life."
David makes a sound. A choked sob or a gasp. I can't tell.
The tablet is still in front of me. Emma's body. The blood. The—
Wait.
I lean forward. The tactical team member tenses, but Voss waves him off.
Emma's chest. There's something wrong with it. The angle, the way the shadows fall, the—
It moves.
Barely. A fraction of an inch. But it moves.
"She's alive." The words come out hoarse. "That's a live feed and she's still breathing."
Voss's expression doesn't change. "You're seeing what you want to see."
"Her chest moved."
"Postmortem muscle spasms. Common in—"
"Bullshit." I stand up. The chair scrapes against concrete. "You're bluffing. You haven't killed her yet because you still need leverage."
One of the tactical team members shifts his weight. His hand moves toward his weapon.
Voss raises a finger. The man freezes.
"Interesting theory," Voss says. "Are you willing to bet a child's life on it?"
The question hangs in the air between us. Behind him, David is crying silently, tears tracking down his face in the harsh light.
"Here's the thing," I say. "You're not going to kill her."
"No?"
"Because if you do, you lose your leverage. And if you lose your leverage, I have no reason to give you anything." I pull out my phone. "So let's run the numbers. You want my encryption keys. I want Emma alive. We both want something the other person has."
"A negotiation." Voss almost smiles. "How very rational of you."
"I'm a rational person."
"Are you?" He tilts his head. "Because a rational person would have handed over the keys an hour ago. A rational person would have chosen one child's life over a piece of technology." He pauses. "Unless the technology is worth more to you than you're admitting."
My thumb hovers over my phone screen. The modified encryption keys are ready. One tap and they'll send.
But Voss doesn't know they're modified. Doesn't know that embedded in the code is a time-delayed release that will expose the backdoor vulnerability to every security researcher in the world within seventy-two hours.
Doesn't know I'm about to destroy my own competitive advantage.
"The keys," I say. "For Emma. Alive and unharmed."
"Show me first."
I turn my phone toward him. The screen displays the encryption algorithm, the authentication protocols, the neural network access codes. Everything he needs to replicate my AI system.
Everything except the part where it all becomes public knowledge in three days.
Voss studies the screen. His eyes move rapidly, scanning the code. He's looking for traps, for hidden triggers, for anything that might compromise the data.
He won't find them. I'm too good at this.
"David," Voss says, not looking away from my phone. "Verify the authentication sequence."
David flinches. Wipes his eyes. Takes a step forward.
"Marcus, I—"
"Just do it."
He looks at the screen. His eyes widen slightly when he sees what I'm showing them, but he doesn't say anything. Doesn't give me away.
Maybe there's still something left between us after all.
"It's real," David says quietly. "That's the master encryption key."
Voss nods. Pulls out his own phone. Types something.
"Send it to this number."
I look at the number on his screen. It's a secure server address. Encrypted. Routed through at least three proxy networks.
Professional.
My finger hovers over the send button.
"Emma first."
"Simultaneously." Voss's voice hardens. "You send the keys. I send the location. We both get what we want."
"How do I know you'll keep your word?"
"You don't." He meets my eyes. "But you're out of time and options. So you'll have to trust me."
Trust. The word tastes like copper in my mouth.
I think about the code on my screen. About the vulnerability I built eighteen months ago, drunk and grieving and convinced I needed a failsafe. About the choice I made then that's killing me now.
About the choice I'm making now that might save me.
Or might destroy everything.
The memory hits me without warning.
Eighteen months ago. My apartment. Three in the morning. The bottle of whiskey on my desk was half-empty and I couldn't remember drinking it.
Lily had been dead for six weeks.
The code on my screen was the authentication protocol for the AI system. The foundation of everything I was building. The thing that would make me rich and successful and prove to everyone that I was worth something.
That I was worth more than the drunk driver who killed her.
My fingers moved across the keyboard. Adding lines. Modifying functions. Building in a backdoor that would let me bypass security if I ever got locked out.
A failsafe.
That's what I told myself. A failsafe.
But the truth—the truth I couldn't admit even to myself—was that part of me wanted to ensure I couldn't become the isolated billionaire from the original timeline. The version of Marcus Chen who had everything and nothing. Who died alone in a server room, surrounded by technology and empty of humanity.
So I built in a flaw. A vulnerability. A way for the universe to stop me if I went too far.
I engineered my own death.
And now, standing in my backyard with tactical lights in my eyes and a child's life in my hands, I finally understand what I did.
I was so afraid of success that I sabotaged myself.
Coded my own destruction into the thing I loved most.
"Marcus?" Voss's voice pulls me back. "Are you going to send the keys or not?"
I blink. The backyard comes back into focus. David is watching me with something that might be hope or might be despair. The tactical team members are motionless, weapons ready.
And Voss is waiting.
"I need to know she's alive," I say. "Show me the feed again."
The tactical team member with the tablet hesitates, then turns it toward me.
Emma's body. The warehouse. The blood.
And her chest, rising and falling. Shallow breaths. Barely visible.
But there.
"She's sedated," I say. "Not dead. You staged this to make me think I was too late."
Voss doesn't confirm or deny. Just watches me with those cold, calculating eyes.
"Smart," I continue. "Make me think I've already lost so I'll give up everything to prevent it from happening again. Classic manipulation." I look at David. "Did you know about this part?"
David shakes his head. "They told me she'd be safe. That they just needed leverage."
"And you believed them."
"I didn't have a choice." His voice breaks. "My brother—"
"There's always a choice." The words come out harsher than I intended. "You just didn't like the alternatives."
"That's not fair."
"Fair?" I laugh. It sounds wrong. Bitter. "You've been selling me out for eighteen months and you want to talk about fair?"
"I was trying to save my brother's life!"
"By destroying mine!"
The tactical team members shift. Weapons rise slightly. Voss raises his hand again and they freeze.
"Gentlemen," he says. "This is fascinating, but we're on a schedule. Marcus, send the keys or I'll have my team put another bullet in the girl. This time in a location that won't allow for dramatic last-minute rescues."
I look at my phone. At the modified encryption keys. At the choice I'm about to make.
Sophia's text is still on the screen: "Emma is safe. Neighbor's house. Waiting for your signal."
But Voss doesn't know that. Thinks he still has leverage. Thinks the girl in the warehouse is his ace.
And maybe she is. Maybe Sophia's wrong. Maybe Emma isn't safe. Maybe the girl in the warehouse is someone else's daughter and I'm about to let her die to protect my technology.
Or maybe I'm about to destroy everything I've built for nothing.
Run the numbers, I tell myself. Calculate the probabilities. Make the rational choice.
But there is no rational choice. Not anymore.
There's just the least-worst option.
I hit send.
The encryption keys transmit. My phone shows the progress bar, the data uploading to Voss's secure server. Eighteen months of work. Billions of dollars in potential value. The foundation of the next decade of AI development.
Gone.
Voss's phone chimes. He looks at the screen. His expression shifts from triumph to confusion to something that might be rage.
"What did you do?"
"I sent you the keys. Like you asked."
"These keys—" He's scrolling rapidly through the data. "There's a time-delayed release embedded in the authentication protocol. A seventy-two hour countdown before the entire codebase becomes public domain."
"I know."
"You're destroying your own competitive advantage."
"I know."
"Why?" The word comes out sharp. Angry. "Why would you do that?"
I meet his eyes. "Because if Emma dies, everyone will know exactly who's responsible. Every security researcher in the world will have access to my code. They'll see the vulnerability. They'll trace it back to you. And you'll spend the rest of your life running from people who are much better at this than you are."
Voss stares at me. The tactical lights cast harsh shadows across his face.
"You're bluffing."
"Am I?" I gesture to my phone. "Check the code. It's all there. Seventy-two hours and counting."
He looks at his phone again. Scrolls. Stops. His jaw tightens.
"You just committed corporate suicide."
"Maybe." My burned hand is throbbing. "But I made sure that if I go down, you're coming with me."
David is looking at me like he's never seen me before. Like I'm a stranger wearing his friend's face.
Maybe I am.
Voss raises his gun. The movement is smooth, practiced. The barrel points at my chest.
"Then I have no reason to keep you alive."
"Sure you do." I'm surprised by how steady my voice sounds. "Kill me and the release accelerates. I built in a dead man's switch. If my biometrics flatline, the code goes public immediately."
It's a lie. There's no dead man's switch. But Voss doesn't know that.
Can't know that.
His finger tightens on the trigger. I can see the calculation in his eyes, the risk assessment, the probability analysis.
He's running the numbers.
Just like I taught him to.
"You're lying," he says.
"Probably." I take a step forward. The gun doesn't waver. "But are you willing to bet your entire operation on it?"
The backyard is silent except for the hum of the tactical lights and David's ragged breathing.
Then Voss lowers the gun.
"This isn't over."
"I know."
He gestures to his team. They move toward the fence, weapons still ready, backing away without turning around.
Professional to the end.
David doesn't move. Just stands there, looking at me with those red-rimmed eyes.
"Marcus—"
"Go."
"I'm sorry. I'm so sorry. I didn't—"
"Go."
He goes. Follows Voss and the tactical team through the gate, into the darkness beyond the fence.
I'm alone in the backyard. The tactical lights are still on, turning everything white and harsh and unreal.
My phone buzzes. A text from Sophia: "I saw everything from the neighbor's window. Emma is still safe. Are you okay?"
I start to type a response. My fingers are shaking so badly I have to delete and retype three times.
Then the backyard floods with red laser sights.
They come from the rooftops. From the trees. From the darkness beyond the fence. Dozens of them, maybe more, all converging on the space where I'm standing.
Voss's voice comes from somewhere in the shadows: "I lied about the schedule."
The tactical team emerges from the darkness. More of them this time. At least a dozen. They move in formation, weapons raised, laser sights painting red dots across my chest.
Voss steps back into the light. His gun is raised again.
"The girl in the warehouse," he says. "That wasn't Emma Chen. That was my insurance policy. A reminder of what happens to people who try to outmaneuver me."
My phone buzzes again. Another text from Sophia, but I can't read it because my hands won't stop shaking.
"You have seventy-two hours before your code goes public," Voss continues. "Which means I have seventy-two hours to extract everything I need from you and disappear." He nods to his team. "Take him."
The tactical team moves forward. I back up, hit the patio chair again, nearly fall.
"Wait—"
"No more waiting." Voss's voice is cold. Final. "No more negotiations. No more clever tricks." He raises his gun, and the red laser sights converge on my forehead. "You made your choice, Marcus. Now live with the consequences."
His finger tightens on the trigger.