[Dropship Camp — Day 8, Late Afternoon]
"Inside! Everyone inside — now!"
Cal's voice hit the camp before his feet did. He cleared the ridge at a dead run, arms pumping, the breath tearing out of him in sharp bursts that made his words ragged. Heads turned. People froze mid-task — the instinctive paralysis of a group that hadn't learned to respond to alarms yet.
"Move!" He grabbed a girl standing near the fire pit by the shoulder and shoved her toward the dropship ramp. Not gently. "Get in. Get everyone in. Seal the door behind you."
Bellamy intercepted him at the base of the ramp. One arm out, blocking. "What the hell are you—"
"Fog." Cal pointed west. The yellow-green line was thicker now, visible to the naked eye if you knew where to look — a wall of chemical haze rolling through the treeline, eating distance. "Coming from the west. Ten minutes, maybe less. It'll dissolve your lungs."
Bellamy's head snapped toward the horizon. His eyes narrowed, scanning. The fog wasn't obvious yet — just a discoloration at the base of the trees, a wrongness in the light that hadn't reached the threshold of alarm for anyone who wasn't looking for it.
"I don't see—"
"You will. In about five minutes you'll see it just fine, and by then anyone outside is dead." Cal's voice dropped. "Get your people inside, Bellamy. Right now."
Something in the tone broke through. Not the volume — Cal hadn't shouted. The certainty. Bellamy stared at him for one more second, then turned and roared.
"Everybody in the dropship! Now! Move, move, move!"
The camp responded. Bellamy's voice carried authority Cal's didn't — the raw command presence of someone who'd been giving orders for a week and expected them followed. Bodies surged toward the ramp. Clarke was already inside, pulling Jasper's stretcher away from the entrance to make room. Wells herded Charlotte and two younger kids through the door. Monty grabbed the radio equipment. Murphy shoved three people up the ramp and turned back for the ration crates.
"Leave them!" Cal yelled.
"I'm not leaving the food—"
"Murphy. Get inside."
Murphy looked at the western treeline. The fog was visible now — a churning, yellow-green curtain advancing through the forest, trees disappearing into it like they'd never existed. His face went tight. He abandoned the crates and sprinted up the ramp.
Cal counted heads. Bodies pushing through the dropship door in a chaotic stream, faces blurred with confusion and the beginning of fear. He counted aloud, the way he always did under stress — a whispered rhythm that kept his brain from fragmenting.
"Twenty-three, twenty-four, twenty-five—"
The fog was three hundred meters out. He could smell it now — sharp, chemical, wrong. His eyes stung.
"Thirty-one, thirty-two—"
"Derek's not here!" someone shouted from inside.
Cal's count faltered. Derek. The name conjured a face — lanky kid, sixteen, acne scars, quiet. He'd been assigned to the afternoon hunting patrol.
Two hundred meters. The first tendrils of fog curled around the supply crates Murphy had abandoned. The metal oxidized in real-time, a dark stain spreading across the surface like a time-lapse of rust.
"Derek went south!" Miller leaned out the dropship door, pointing. "Into the forest — an hour ago, maybe more."
The southern treeline was a wall of green. No movement. No shout. Just the fog advancing from the west, curling now, flanking, spreading through the forest on vectors that cut off the southern approach.
Cal stood on the ramp and looked south. Then he looked at the fog. Then he sealed the dropship door.
The metal groaned shut. Locks engaged. Someone had designed this ship to survive atmospheric reentry, which meant the seals were rated for pressure differentials far beyond anything acid fog could produce. Inside, the air was stale and warm and safe.
Outside, Derek was breathing poison.
---
They waited three hours.
The fog pressed against the dropship hull like something alive. Through the narrow viewport slits, Cal could see it — dense, opaque, yellow-green, moving with a sluggish intelligence that suggested directed airflow rather than natural dispersal. Mount Weather. The Mountain Men, sealed underground in their bunker, deploying chemical weapons to keep the surface clear.
He knew this. Nobody else did.
Ninety-seven people breathed recycled air inside a metal tube that had carried them from space. The temperature climbed. Bodies pressed together, sweat and fear and the sour smell of unwashed teenagers. Charlotte sat in a corner, knees drawn up, silent. Wells sat beside her. Murphy leaned against the far wall, arms crossed, blade visible. Jasper was conscious, propped against the internal struts, Monty beside him.
Clarke moved through the crowd checking for injuries, distributing the last of the water supply, maintaining the kind of calm competence that made people trust her despite having no reason to. She reached Cal, who stood near the sealed door, and stopped.
"You saw it before anyone else."
Not a question. Cal met her eyes.
"The color was distinctive. Yellow-green, ground-level, moving with the wind. It didn't look natural."
"It didn't look like anything from where most people were standing. You were on the ridge, but even from there — you reacted before it was visible."
"I have good distance vision."
"Good enough to identify a chemical threat at half a kilometer?"
"Apparently."
Clarke's jaw worked. The surgeon's assessment was in full operation now — data point after data point, stacking, cross-referencing, building toward a diagnosis she hadn't yet articulated. The antiseptic of impossible quality. The engineering knowledge that exceeded any Skybox education. The reaction time that bordered on precognition.
"Cal." She stepped closer. Dropped her voice. "That fog isn't natural. It's too uniform, too controlled. Something is deploying it."
He looked at her for a long moment. Considered the options. Lying was becoming expensive — each lie added weight to the structure he was building, and Clarke was exactly the kind of person who'd notice when the structure started to lean.
"Yeah," he said. "I think so too."
"How?"
"Engineering background. Chemical dispersal at that concentration, with that uniformity, over that area — you'd need a pressurized delivery system. Underground venting, probably. Large-scale infrastructure."
Clarke processed this. Her eyes didn't leave his. "You're saying someone is doing this. Someone with infrastructure. Underground."
"I'm saying the fog isn't weather."
"That's not all you're saying."
Cal's jaw tightened. The pause stretched — the telltale gap where he chose between truth and deflection. He chose deflection.
"We should talk about this when ninety people aren't listening."
Clarke glanced at the crowd. Conceded the point with a short nod. But her expression had changed — not hostile, not warm. Watchful. Clarke Griffin had added Cal Mercer to her priority list, and she wasn't going to stop pulling at threads until she found what he was hiding.
He turned back to the viewport and watched the fog crawl.
---
The fog lifted at dusk. It didn't dissipate — it retreated, pulling westward like a tide, leaving behind a world that looked scrubbed raw. Leaves were spotted with chemical burns. Grass near the perimeter had yellowed. The supply crates Murphy had abandoned were etched with corrosion patterns, the surface metal pitted and dull.
Cal opened the dropship door. The air tasted clean but carried a faint chemical tang, an afterimage. He stepped out first. The ground was damp, sticky, the soil darkened by condensation that wasn't water.
They found Derek forty meters south.
He'd made it halfway back. His patrol had taken him into the forest, and when the fog rolled in, he'd run. Not fast enough. The fog had caught him in the open, between two stands of cedar, and what remained didn't look like a teenager anymore.
Cal stood over the body and looked.
Sixteen. Acne scars along his jaw. He'd been quiet in camp — one of the invisible kids, not part of any faction, not loud enough to register. He'd gone hunting because Bellamy asked and he wanted to be useful. He'd died because the mountain wanted the surface empty and a nineteen-year-old with forbidden knowledge hadn't sounded the alarm sixty seconds sooner.
Clarke knelt beside the body. Her face was professionally blank — the medical mask she wore when the reality was too large for a personal reaction. She checked for vitals she knew weren't there, then pulled a tarp over what was left.
"Acid burns," she said. "Respiratory and dermal. He was alive when it hit him."
"We bury him," Wells said from behind them. His voice was steady. "Today."
They buried Derek at sunset. Cal dug the grave with the hull-plate shovel he'd used for the latrine — the same tool, the same aching hands, a different purpose. Ninety-six people now. He carved "Derek, 16" on a flat rock with the tip of a knife and placed it at the head of the mound.
He committed Derek's face to memory. A practice he'd started on the Ark — whenever someone was floated, he'd find their file and memorize their features. A private record. No ritual, no prayer. Just the acknowledgment that a person had existed, and that their absence mattered to at least one other human.
Bellamy spoke at the burial. Short, angry, directed at the treeline and the fog and the world that kept finding ways to reduce their number. "We're going to fortify. We're going to prepare. And the next time something comes for us, it finds a wall."
Cal agreed with the words, if not the speaker's full understanding. The fog wasn't Grounders. The fog was infrastructure — pipes and vents and pressurized tanks and a command structure underground. Bellamy was preparing for warriors. The real threat was engineers.
---
Night. The camp had sealed itself into the dropship again, this time voluntarily. Nobody wanted to sleep outside. The interior was cramped and hot, but it was airtight, and after Derek, airtight mattered more than comfort.
Cal couldn't sleep. His body wanted rest — the calorie deficit was deepening, the nanomachine hum louder than usual, a headache building at the base of his skull — but his mind was running inventory. Derek was dead. That was one death he hadn't prevented. Wells was alive — that was one death he'd stopped. The ledger didn't balance, and Cal wasn't arrogant enough to think it ever would.
He waited until the camp settled, until breathing patterns shifted from restless to deep, and then slipped out the dropship door.
The forest at night was different after the fog. Quieter. The insects had died or gone silent, and the birds that usually called from the canopy were absent. The chemical tang was still there, faint, mixing with pine resin and wet earth.
Cal moved into the treeline.
Not far — fifty meters, maybe less. He wasn't suicidal. He kept the dropship's silhouette visible through the gaps between trees and scanned the ground with the portable lamp Wells had lent him for the wiring project.
He found it twelve minutes in.
A tree. Cedar, thick-trunked, old. On its bark, at chest height, a series of notches had been carved with a blade. Fresh — the exposed wood was pale, unsapped, days old at most. The notches were uniform. Deliberate. Five marks in a vertical line, then a diagonal slash through them. Five and a tally.
Cal's gut turned cold.
He counted the tally groups. Three sets of five, plus two additional marks. Seventeen.
Seventeen what? Seventeen days since landing? Seventeen observed people? Seventeen — no. The hundred had been on the ground for eight days. Not seventeen.
He studied the notch pattern again. The spacing was consistent, the blade marks identical. A single observer, returning regularly, recording something. Above the tallies, a symbol he didn't recognize — curved, almost like a letter, carved deeper than the counting marks.
Grounders. A forward observer. Positioned fifty meters from a camp of teenagers, returning often enough to carve a systematic record.
Cal ran his thumb across the notches. The bark was rough against the calluses on his hand. He imagined the person who'd stood here — patient, silent, watching a hundred kids stumble through their first week on the ground. Counting something. Reporting to someone.
The forest was not empty. It had never been empty.
He walked back to camp at a pace that was slightly too fast, found Wells awake on the dropship ramp — the kid's insomnia was becoming a pattern — and sat down beside him.
"What's wrong?" Wells asked. He could read Cal's posture now, the set of his shoulders, the way his hands went still when his brain was working hard.
Cal leaned close. Kept his voice below the threshold of sleeping ears.
"Fifty meters from camp. A cedar with observation marks cut into the bark. Tallies and a clan symbol, all fresh."
Wells went rigid.
"We're being watched." Cal met his eyes. "And they've been counting."
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Author's Note / Promotion:
Your Reviews and Power Stones are the best way to show support. They help me know what you're enjoying and bring in new readers!
You don't have to. Get instant access to more content by supporting me on Patreon. I have three options so you can pick how far ahead you want to be:
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