A serial-killer is murdering the ladies of a night club. Detective Gray is seeking for the killer but can only find a lot of gangsters. And the killer is about to act again...
Room 13 is a 1964 thriller film directed by Harald Reinl and starring Joachim Fuchsberger, Karin Dor and Richard Häussler. It was made as a co-production between West Germany, France and Denmark, based on the 1924 novel Room 13 by Edgar Wallace. It was part of Rialto Film's long-running series of German Wallace adaptations.