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 … Allan Edwall, Heinz Hopf, Björn Gustafson, Lars Ekborg, Elsa Prawitz, Nils Hallberg, Erik Hell Added on Amazon Prime 2022-12-01.