The Thermal Cost

The winter wind howling through the lower levels of Sector Four felt less like weather and more like a physical assault. It was a biting, toxic cold, heavy with synthetic exhaust and frozen neon slush. Marcus trudged through the narrow alleyway, his heavy trench coat pulled tight around his broad shoulders. His left arm—a battered, second-hand cybernetic prosthetic scraped free of its original corporate paint—whirred sluggishly. The hydraulic fluid was freezing.

In his right hand, deep inside his coat pocket, his fingers curled around a single, cylindrical thermal power-cell. It was the last one he owned. It was just enough to power the central heating unit in his micro-apartment for the night, keeping hypothermia at bay.

He passed the flickering holographic sign of Lao’s noodle stand. The old vendor gave him a weary nod. Beside the stand, a pair of augmented street kids huddled over a burning trash barrel. Marcus had patched up one of their knee-servos last week for nothing more than a mumbled thanks.

* Compassion is a fatal flaw in this city,* Marcus reminded himself, a cynical mantra he repeated daily but never seemed to actually follow. He lowered his head against the biting wind and turned the corner into his building’s dead-end alley.

That was when he saw the blood.

It was a stark, steaming crimson against the gray slush. Marcus’s medical instincts flared, overriding his exhaustion. He followed the trail behind a rusted industrial dumpster.

Lumped in the snow was a woman. She was East Asian, her pale skin rendered nearly translucent by the cold and severe blood loss. Delicate webs of silver neural-lace traced the edges of her temples, marking her as a high-tier data-architect—someone who belonged in the pristine corporate spires, not bleeding out in the slums. Her hands were clutched desperately around a sleek, blood-slicked data-drive.

Marcus dropped to his knees, his heavy cyber-arm sinking into the snow. He pressed two fingers to her carotid artery. Her pulse was a thready, dying flutter. A deep laceration across her abdomen had soaked her armored jacket. She was minutes away from bleeding out, assuming the cold didn't take her first.

Marcus unslung his medical pack. The automated trauma-scanner required a direct power source to synthesize the military-grade coagulant she needed. The internal battery was dead.

He looked at the trauma-scanner. Then he felt the heavy weight of the thermal power-cell in his pocket. His heat for the night. His only defense against the brutal chill waiting in his apartment.

"Damn it," Marcus breathed, his breath pluming in the freezing air.

He didn't hesitate. He pulled the thermal cell from his pocket and slammed it into the receptor slot of the medical scanner. The device whirred to life, a green light piercing the gloom. Marcus quickly synthesized the coagulant, injecting it directly into the wound before applying a dermal-sealant patch.

The woman gasped, her eyelids fluttering open. Her dark eyes, hazy with pain, locked onto Marcus’s face. She flinched, trying to pull the data-drive tighter to her chest.

"Easy," Marcus said, his voice a low, steady rumble. "I’m a medic. The bleeding is stopped, but you’re going into hypothermic shock. I have to get you inside."

"Drive..." she whispered, her voice barely a scrape of sound. "Don't... let them..."

"I don't care about your corp drama," Marcus said, carefully sliding his biological arm under her knees and his cyber-arm around her back. He lifted her from the snow. "I just care about keeping you breathing."