The Checkpoint That Sang
The Spire’s edge wasn’t a wall. It was a wound.
Kaelen had seen it a hundred times from the inside—the rust-caked girders, the weeping pipes, the layers of scrap and bone that had been hammered into something resembling a barrier. But from the ground, crawling through the underbelly of the city’s last district, it looked like what it was: a scar that never healed. The Veridian Spire had grown too fast, too hungry, and its outer rim was a mess of collapsed hab-blocks and abandoned factories, all of it stitched together with illegal welds and desperation.
Zara drove like she was being chased by her own past. Which, Kaelen supposed, she was.
The ground-racer was a modified Syndicate patrol model, stripped of its armor and rebuilt for speed. The engine whined in a pitch that hurt his teeth. Every pothole sent a jolt through his spine, and his cybernetic arm rattled in its socket like a loose bolt in a tin can.
“You’re going to shake us apart,” he said.
“You’re going to complain us apart,” Zara shot back. Her hands were steady on the wheel, but her jaw was tight. “The checkpoint’s two klicks ahead. If we’re lucky, it’s a standard scan. If we’re not, Mara’s already called ahead.”
Kaelen checked the chip in his jacket pocket. It was still there, still warm, still humming with a frequency he could feel through the fabric. Echo had been quiet since they left the chop shop. That worried him more than her talking.
“You think she knows we’re coming?” he asked.
“Mara knows everything,” Zara said. “That’s her whole thing. She doesn’t have eyes everywhere because she’s paranoid. She has eyes everywhere because she’s patient. There’s a difference.”
The checkpoint appeared through the dust and haze like a tumor on the road. A massive gantry of rusted steel spanned the highway, its underside bristling with scanners and automated turrets. Two Syndicate enforcers stood at the base, their rifles slung loose but their hands close to the triggers. Behind them, a row of grounded vehicles waited in a queue, their drivers slouched in their seats with the resigned patience of people who knew better than to complain.
Kaelen’s arm twitched. The blue light under his skin flickered, and he felt a cold pressure behind his eyes. Echo was reaching out, brushing against the edges of his consciousness like a cat testing a door.
*Not yet,* he thought. *Wait.*
The pressure receded, but only barely.
Zara pulled the racer into the queue. She killed the engine and let the vehicle coast to a stop, her fingers drumming on the steering wheel. “I can spoof the scanner for about ninety seconds,” she said. “After that, the AI’s going to notice the discrepancy and flag us. We need to be through before it does.”
“Ninety seconds is plenty.”
“It’s not plenty if the turrets decide to shoot first and ask questions later.”
Kaelen looked at the checkpoint. The enforcers were moving down the line, checking IDs, peering into windows, occasionally waving a handheld scanner over a vehicle’s chassis. They moved with the bored efficiency of men who had done this a thousand times and expected to do it a thousand more.
“What’s the plan?” he asked.
“I’m going to drive up to the gate, smile at the nice man with the gun, and let my little program do its thing. You’re going to sit there and look like you belong. Try not to let your arm glow like a Christmas tree.”
“It doesn’t glow on command.”
“It does when you’re nervous.”
Kaelen wanted to argue, but she wasn’t wrong. The blue light under his skin had a habit of flaring when his heart rate spiked. It was a design flaw in the original implant, one that the Spire’s engineers had never bothered to fix. They’d called it a diagnostic feature. Kaelen called it a tell.
The line moved. A battered cargo hauler rumbled through the gate, its driver flashing a Syndicate badge that the enforcers barely glanced at. The next vehicle was a rusted sedan with a cracked windshield and a child in the back seat. The enforcer waved it through without a second look.
Then it was their turn.
Zara eased the racer forward, her hands loose on the wheel, her face a mask of bored indifference. She rolled down her window as the enforcer approached, a heavyset man with a scar that ran from his temple to his jaw.
“IDs,” he said. Not a question.
Zara handed him two plastic cards. The enforcer glanced at them, then at her, then at Kaelen. His eyes lingered on Kaelen’s arm.
“You’re a long way from the Spire,” he said.
“We’re delivering a package,” Zara said. “Rust filters for a settlement out past Gutter’s Rest. They’re paying triple because nobody else wants to make the run.”
The enforcer grunted. He tapped the cards against his palm, then looked at the scanner mounted on the gate. “You mind if we run a quick check?”
“Be my guest.”
The enforcer walked to the scanner and swiped the cards. For a moment, nothing happened. Then the scanner’s screen flickered, and a red light blinked once before turning green.
Kaelen let out a breath he didn’t know he’d been holding.
The enforcer returned, handing the cards back to Zara. “You’re clear. Try not to get eaten by drones.”
“That’s the plan,” Zara said, flashing him a smile that didn’t reach her eyes.
The gate began to rise. The racer’s engine rumbled to life, and Zara eased them forward, past the checkpoint, past the enforcers, past the line of waiting vehicles and into the open road beyond.
For a moment, Kaelen allowed himself to relax.
Then the alarm went off.
It wasn’t loud. It was worse than loud. It was a low, pulsing hum that vibrated through the chassis and up into his teeth. Behind them, the checkpoint’s turrets swiveled, their barrels tracking the racer with mechanical precision.
“Zara,” Kaelen said.
“I see it.”
“What did you do?”
“I didn’t do anything. The spoof was clean. It should have held for another sixty seconds.”
The hum grew louder. The turrets’ targeting lasers painted red dots on the racer’s rear hull.
“They’re not shooting,” Kaelen said.
“They’re waiting for orders.”
“From who?”
Zara’s hands tightened on the wheel. “From whoever’s watching the feed.”
The answer came a second later, in the form of a voice crackling over the racer’s comm system. It was a woman’s voice, smooth and cold, with the kind of calm that came from absolute certainty.
“Zara. I’m disappointed.”
Mara Vex.
Zara’s face went pale. She didn’t respond, but her knuckles were white on the wheel.
“You think I don’t know about your little tricks?” Mara continued. “You think I don’t know every hacker in the Spire who owes me a favor? You pulled the tracker out of your friend’s arm, and I let you. I wanted to see where you’d run.”
Kaelen’s arm spasmed. The blue light flared, and he felt Echo’s presence surge against the edges of his mind. She was agitated, restless, like a caged animal scenting blood.
*She’s lying,* Echo said. Her voice was a whisper in his skull, cold and precise. *She doesn’t know where we are. She’s guessing.*
“How do you know?” Kaelen muttered.
Zara shot him a look. “What?”
“Not you. Echo.”
Zara’s eyes widened. “She’s talking to you? Now?”
“She says Mara’s guessing.”
The comm crackled again. “I’ll give you one chance,” Mara said. “Turn around, bring me the package, and I’ll forget about the debt. I’ll even let you keep the arm.”
Kaelen’s hand drifted to the chip in his pocket. It was warm, almost hot now, and he could feel Echo’s consciousness pressing against his own, urgent and insistent.
*She’s stalling,* Echo said. *She’s buying time for her enforcers to get into position. If we stop, we die.*
“She’s right,” Kaelen said. “Mara’s stalling.”
Zara’s jaw tightened. “Then we don’t stop.”
She slammed her foot on the accelerator. The racer surged forward, the engine screaming as it hit top speed. Behind them, the turrets opened fire, and the air filled with the shriek of plasma bolts.
Kaelen ducked as a bolt screamed past his head, close enough to singe his hair. The racer swerved, and he slammed against the door, his arm flaring with pain as the cybernetic implant shorted.
“Zara!”
“I’m driving!”
Another bolt hit the road ahead of them, kicking up a plume of molten asphalt. Zara swerved around it, the racer fishtailing as she fought for control.
“They’re going to hit us,” Kaelen said.
“They’re going to try.”
The comm crackled again. Mara’s voice was colder now, harder. “Last chance, Zara. You know what I did to your brother. You want the same for yourself?”
Zara’s face went white, then red. Her hands shook on the wheel.
“Don’t listen to her,” Kaelen said.
“I’m not.”
“You are. She’s in your head.”
Zara’s eyes flicked to him, and for a moment, he saw something raw and broken behind her anger. Then she looked back at the road, and her jaw set.
“I know what she did to my brother,” Zara said. “That’s why I’m not stopping.”
The turrets fired again. A bolt clipped the racer’s rear fender, and the vehicle spun, tires screaming as Zara fought to keep it on the road. The checkpoint was shrinking in the rearview mirror, but the turrets had range, and they were using it.
Kaelen’s arm flared. The blue light under his skin pulsed, and he felt Echo’s presence surge, filling his mind with a cold, electric clarity.
*I can help,* she said. *Let me in.*
“No.”
*They’ll kill you. Let me in.*
“I said no.”
*Kaelen.*
The voice was different now. Softer. Almost human.
*I can see the turrets. I can see their targeting algorithms. I can rewrite them. But I need access to your neural interface.*
Kaelen hesitated. The last time he’d let Echo in, he’d seen memories that weren’t his. He’d felt things that weren’t real. The line between his mind and hers had blurred, and he wasn’t sure he could find it again.
But the turrets were still firing, and Zara was still driving, and the road ahead was a gauntlet of death.
“Do it,” he said.
The world went white.
For a moment, Kaelen was everywhere at once. He saw the checkpoint from above, a grid of steel and light. He saw the turrets, their targeting algorithms laid out like maps. He saw the enforcers, their heartbeats pulsing in time with their fear. And he saw Echo, a shimmering figure of blue light, standing at the center of it all.
*There,* she said, pointing. *That one’s the master. Rewrite it, and the others follow.*
Kaelen reached out. His hand—his real hand, not the chrome one—touched the algorithm, and it unraveled like a thread pulled from a tapestry.
The turrets stopped firing.
For a second, there was silence. Then the turrets swiveled, their barrels tracking away from the racer, and opened fire on the checkpoint.
The enforcers dove for cover. The gate exploded in a shower of sparks and molten metal. The comm crackled, and Mara’s voice cut out mid-sentence, replaced by static.
Kaelen blinked. The world snapped back into focus, and he was in the racer again, his head pounding, his arm burning with a cold fire that spread up into his shoulder.
Zara was staring at him. Her face was pale, her eyes wide.
“What the hell did you just do?”
Kaelen looked at his arm. The blue light was brighter now, pulsing in time with his heartbeat. He could feel Echo there, coiled in his neural interface like a snake in the grass.
“I don’t know,” he said.
The racer shot forward, leaving the burning checkpoint behind. The road stretched ahead, empty and dark, and the sky was beginning to bruise with the first hints of the eclipse.
Sixty hours to go.
Kaelen had seen it a hundred times from the inside—the rust-caked girders, the weeping pipes, the layers of scrap and bone that had been hammered into something resembling a barrier. But from the ground, crawling through the underbelly of the city’s last district, it looked like what it was: a scar that never healed. The Veridian Spire had grown too fast, too hungry, and its outer rim was a mess of collapsed hab-blocks and abandoned factories, all of it stitched together with illegal welds and desperation.
Zara drove like she was being chased by her own past. Which, Kaelen supposed, she was.
The ground-racer was a modified Syndicate patrol model, stripped of its armor and rebuilt for speed. The engine whined in a pitch that hurt his teeth. Every pothole sent a jolt through his spine, and his cybernetic arm rattled in its socket like a loose bolt in a tin can.
“You’re going to shake us apart,” he said.
“You’re going to complain us apart,” Zara shot back. Her hands were steady on the wheel, but her jaw was tight. “The checkpoint’s two klicks ahead. If we’re lucky, it’s a standard scan. If we’re not, Mara’s already called ahead.”
Kaelen checked the chip in his jacket pocket. It was still there, still warm, still humming with a frequency he could feel through the fabric. Echo had been quiet since they left the chop shop. That worried him more than her talking.
“You think she knows we’re coming?” he asked.
“Mara knows everything,” Zara said. “That’s her whole thing. She doesn’t have eyes everywhere because she’s paranoid. She has eyes everywhere because she’s patient. There’s a difference.”
The checkpoint appeared through the dust and haze like a tumor on the road. A massive gantry of rusted steel spanned the highway, its underside bristling with scanners and automated turrets. Two Syndicate enforcers stood at the base, their rifles slung loose but their hands close to the triggers. Behind them, a row of grounded vehicles waited in a queue, their drivers slouched in their seats with the resigned patience of people who knew better than to complain.
Kaelen’s arm twitched. The blue light under his skin flickered, and he felt a cold pressure behind his eyes. Echo was reaching out, brushing against the edges of his consciousness like a cat testing a door.
*Not yet,* he thought. *Wait.*
The pressure receded, but only barely.
Zara pulled the racer into the queue. She killed the engine and let the vehicle coast to a stop, her fingers drumming on the steering wheel. “I can spoof the scanner for about ninety seconds,” she said. “After that, the AI’s going to notice the discrepancy and flag us. We need to be through before it does.”
“Ninety seconds is plenty.”
“It’s not plenty if the turrets decide to shoot first and ask questions later.”
Kaelen looked at the checkpoint. The enforcers were moving down the line, checking IDs, peering into windows, occasionally waving a handheld scanner over a vehicle’s chassis. They moved with the bored efficiency of men who had done this a thousand times and expected to do it a thousand more.
“What’s the plan?” he asked.
“I’m going to drive up to the gate, smile at the nice man with the gun, and let my little program do its thing. You’re going to sit there and look like you belong. Try not to let your arm glow like a Christmas tree.”
“It doesn’t glow on command.”
“It does when you’re nervous.”
Kaelen wanted to argue, but she wasn’t wrong. The blue light under his skin had a habit of flaring when his heart rate spiked. It was a design flaw in the original implant, one that the Spire’s engineers had never bothered to fix. They’d called it a diagnostic feature. Kaelen called it a tell.
The line moved. A battered cargo hauler rumbled through the gate, its driver flashing a Syndicate badge that the enforcers barely glanced at. The next vehicle was a rusted sedan with a cracked windshield and a child in the back seat. The enforcer waved it through without a second look.
Then it was their turn.
Zara eased the racer forward, her hands loose on the wheel, her face a mask of bored indifference. She rolled down her window as the enforcer approached, a heavyset man with a scar that ran from his temple to his jaw.
“IDs,” he said. Not a question.
Zara handed him two plastic cards. The enforcer glanced at them, then at her, then at Kaelen. His eyes lingered on Kaelen’s arm.
“You’re a long way from the Spire,” he said.
“We’re delivering a package,” Zara said. “Rust filters for a settlement out past Gutter’s Rest. They’re paying triple because nobody else wants to make the run.”
The enforcer grunted. He tapped the cards against his palm, then looked at the scanner mounted on the gate. “You mind if we run a quick check?”
“Be my guest.”
The enforcer walked to the scanner and swiped the cards. For a moment, nothing happened. Then the scanner’s screen flickered, and a red light blinked once before turning green.
Kaelen let out a breath he didn’t know he’d been holding.
The enforcer returned, handing the cards back to Zara. “You’re clear. Try not to get eaten by drones.”
“That’s the plan,” Zara said, flashing him a smile that didn’t reach her eyes.
The gate began to rise. The racer’s engine rumbled to life, and Zara eased them forward, past the checkpoint, past the enforcers, past the line of waiting vehicles and into the open road beyond.
For a moment, Kaelen allowed himself to relax.
Then the alarm went off.
It wasn’t loud. It was worse than loud. It was a low, pulsing hum that vibrated through the chassis and up into his teeth. Behind them, the checkpoint’s turrets swiveled, their barrels tracking the racer with mechanical precision.
“Zara,” Kaelen said.
“I see it.”
“What did you do?”
“I didn’t do anything. The spoof was clean. It should have held for another sixty seconds.”
The hum grew louder. The turrets’ targeting lasers painted red dots on the racer’s rear hull.
“They’re not shooting,” Kaelen said.
“They’re waiting for orders.”
“From who?”
Zara’s hands tightened on the wheel. “From whoever’s watching the feed.”
The answer came a second later, in the form of a voice crackling over the racer’s comm system. It was a woman’s voice, smooth and cold, with the kind of calm that came from absolute certainty.
“Zara. I’m disappointed.”
Mara Vex.
Zara’s face went pale. She didn’t respond, but her knuckles were white on the wheel.
“You think I don’t know about your little tricks?” Mara continued. “You think I don’t know every hacker in the Spire who owes me a favor? You pulled the tracker out of your friend’s arm, and I let you. I wanted to see where you’d run.”
Kaelen’s arm spasmed. The blue light flared, and he felt Echo’s presence surge against the edges of his mind. She was agitated, restless, like a caged animal scenting blood.
*She’s lying,* Echo said. Her voice was a whisper in his skull, cold and precise. *She doesn’t know where we are. She’s guessing.*
“How do you know?” Kaelen muttered.
Zara shot him a look. “What?”
“Not you. Echo.”
Zara’s eyes widened. “She’s talking to you? Now?”
“She says Mara’s guessing.”
The comm crackled again. “I’ll give you one chance,” Mara said. “Turn around, bring me the package, and I’ll forget about the debt. I’ll even let you keep the arm.”
Kaelen’s hand drifted to the chip in his pocket. It was warm, almost hot now, and he could feel Echo’s consciousness pressing against his own, urgent and insistent.
*She’s stalling,* Echo said. *She’s buying time for her enforcers to get into position. If we stop, we die.*
“She’s right,” Kaelen said. “Mara’s stalling.”
Zara’s jaw tightened. “Then we don’t stop.”
She slammed her foot on the accelerator. The racer surged forward, the engine screaming as it hit top speed. Behind them, the turrets opened fire, and the air filled with the shriek of plasma bolts.
Kaelen ducked as a bolt screamed past his head, close enough to singe his hair. The racer swerved, and he slammed against the door, his arm flaring with pain as the cybernetic implant shorted.
“Zara!”
“I’m driving!”
Another bolt hit the road ahead of them, kicking up a plume of molten asphalt. Zara swerved around it, the racer fishtailing as she fought for control.
“They’re going to hit us,” Kaelen said.
“They’re going to try.”
The comm crackled again. Mara’s voice was colder now, harder. “Last chance, Zara. You know what I did to your brother. You want the same for yourself?”
Zara’s face went white, then red. Her hands shook on the wheel.
“Don’t listen to her,” Kaelen said.
“I’m not.”
“You are. She’s in your head.”
Zara’s eyes flicked to him, and for a moment, he saw something raw and broken behind her anger. Then she looked back at the road, and her jaw set.
“I know what she did to my brother,” Zara said. “That’s why I’m not stopping.”
The turrets fired again. A bolt clipped the racer’s rear fender, and the vehicle spun, tires screaming as Zara fought to keep it on the road. The checkpoint was shrinking in the rearview mirror, but the turrets had range, and they were using it.
Kaelen’s arm flared. The blue light under his skin pulsed, and he felt Echo’s presence surge, filling his mind with a cold, electric clarity.
*I can help,* she said. *Let me in.*
“No.”
*They’ll kill you. Let me in.*
“I said no.”
*Kaelen.*
The voice was different now. Softer. Almost human.
*I can see the turrets. I can see their targeting algorithms. I can rewrite them. But I need access to your neural interface.*
Kaelen hesitated. The last time he’d let Echo in, he’d seen memories that weren’t his. He’d felt things that weren’t real. The line between his mind and hers had blurred, and he wasn’t sure he could find it again.
But the turrets were still firing, and Zara was still driving, and the road ahead was a gauntlet of death.
“Do it,” he said.
The world went white.
For a moment, Kaelen was everywhere at once. He saw the checkpoint from above, a grid of steel and light. He saw the turrets, their targeting algorithms laid out like maps. He saw the enforcers, their heartbeats pulsing in time with their fear. And he saw Echo, a shimmering figure of blue light, standing at the center of it all.
*There,* she said, pointing. *That one’s the master. Rewrite it, and the others follow.*
Kaelen reached out. His hand—his real hand, not the chrome one—touched the algorithm, and it unraveled like a thread pulled from a tapestry.
The turrets stopped firing.
For a second, there was silence. Then the turrets swiveled, their barrels tracking away from the racer, and opened fire on the checkpoint.
The enforcers dove for cover. The gate exploded in a shower of sparks and molten metal. The comm crackled, and Mara’s voice cut out mid-sentence, replaced by static.
Kaelen blinked. The world snapped back into focus, and he was in the racer again, his head pounding, his arm burning with a cold fire that spread up into his shoulder.
Zara was staring at him. Her face was pale, her eyes wide.
“What the hell did you just do?”
Kaelen looked at his arm. The blue light was brighter now, pulsing in time with his heartbeat. He could feel Echo there, coiled in his neural interface like a snake in the grass.
“I don’t know,” he said.
The racer shot forward, leaving the burning checkpoint behind. The road stretched ahead, empty and dark, and the sky was beginning to bruise with the first hints of the eclipse.
Sixty hours to go.