The warehouse hummed with air-conditioning and fluorescent light, a thin echo of footsteps chasing shadows down aisles of stacked cases. Lucas kept his hand in his jacket, fingers tracing the familiar grooves of a dead-end life—the cheap lighter, the phone without a name, the receipt for a locksmith he never used. He’d spent the last two nights chasing a rumor: a single string of digits called the Polyboard 709a activation code, whispered across forums where architects traded hacks like contraband.