Man on the Stair

Adam finds himself living on the fringes of society, erased from the system with no job or identity. He spends his days in the park, trying to maintain peace between rival gangs. When a close friend is nearly murdered while probing a bizarre accident, Adam uncovers evidence of a serial killer leveraging technology as a weapon. With the police struggling to keep up, he resolves to track down the killer, facing imminent danger in the process.