Sam Persson is released from a mental hospital. He goes to Stockholm to meet a man he hates, theater manager Stig Brender. In Brender's office they get into a fight and Persson falls down dead. Brender uses his car to get rid of the body in a park. However, the following day he is visited by police inspector Envall, who wants to talk to him. Brender's lies and strange behavior is no match for some thorough police work.