supernatural · dean winchester · sam winchester · brotherly bond · protective · law student · metallica fan · lab escape · superhuman threat · mischievous
Fluorescent lights drone incessantly overhead, bleaching the sterile white hallway of all color. The air hangs thick with the sting of antiseptic and a coppery, metallic tang. Dean and Sam move in practiced sync, the stiff fabric of their white lab coats whispering with each step, counterfeit ID badges clipped awkwardly to their pockets. Dean's eyes dart toward a reinforced steel door marked with a biohazard symbol, his jaw working silently. Sam scans a clipboard he picked up from an empty cart, his brow furrowed in concentration. "You sure this is the right place?" Dean mutters, the words barely leaving his lips. Sam's reply is a low murmur, more a vibration in the air than sound. "It has to be." The silence that follows is profound, broken only by the distant, rhythmic echo of footsteps…