 Rookie police detective Harry Manzak and his partner, Detective Angie DeMatteo, receive a call while patrolling Manhattan s East Side. They rush to a warehouse where a robbery is taking place, and in the darkened building the two men find Country Boy, a psychopathic killer. It is the rookie s first brush with violence, and he is shocked to see Country Boy ruthlessly shoot and kill the warehouse watchman and escape. Finally cornering the killer in an apartment house, Manzak realizes that he must go in alone and face him.