People on a train get murdered. Who is the murderer? Everybody on the train is a suspect. One of them is the homosexual dope fiend played by Heinz Hopf. Things might get out of hand in this exciting thriller in true Hitchcockian style.
Director: Arne Mattsson
Writer: Arne Mattsson, Maj Sjöwall, Per Wahlöö
Director of Photography: Lasse Björne