A medical school dropout and crook, has just been released from prison. He carries out a robbery at an illegal gambling casino. The gangster who runs the casino has a reputation for tracking down and killing his enemies. When the robbery goes bad, Muller is forced to run and hide. Soon he discovers that he's an exact look-a-like of a psychologist named Dr. Bartok. The only difference is that the doctor has a prominent scar on the side of his face. He kills the doctor in order to take over his life, but his plan backfires when he discovers that Bartok was broke and owed money to the mob.