The film deals with the criminal case involving Marianne Bachmeier, who shot her daughter's murderer in the courtroom in 1981.

Tom Ripley, an American who deals in forged art, is slighted at an auction in Hamburg by picture framer Jonathan Zimmerman. When Ripley is asked by gangster Raoul Minot to kill a rival, he suggests Zimmerman, and the two, exploiting Zimmerman's terminal illness, coerce him into being a hitman.