The film establishes early on that "Nolan" (Edmond O’Brien) is an unreliable police officer who has killed someone carrying $25,000 for a bookie, intending to use the money to start over with his girlfriend 'Patty" (Marla English). His situation becomes complicated because a deaf-mute witnessed the crime, forcing him to improvise and stay ahead of both his partner "Brewster" (John Agar) and the mob who owned the stol…