Cast
Rita Kail, Harry Baer, Martin Semmelrogge, Brigitte Mira, Franz Böhm, Marie-Charlotte Schüler, Arnold Marquis, Hans Wyprächtiger
Team
Director
Wolf Gremm
Script
Wolf Gremm, nach dem Roman von Henry Slesar
Director of Photography
Michael Steinke
Music
Charles Kalman, Peter Schilling, Georgio Moroder
Producer
Regina Ziegler
Info
Broadcaster
ZDF
Genre
TV Movie
Format
16 mm Farbe
Length
104 min.
Behind The Door
1983

Since the death of her mother 18 years ago Pia Gonnermann, now 24, has been living alone in a feudal villa as a rich hieress. At night she is tortured by nightmares; she hears mysterious noises, sees her mother's body hanging in the attic and her friend Linda in he bath-tub covered in blood.
Erik Tennstedt, a detective, has been isntructed by her bank to clear up the strange situation by delving into the past. What sort of position does Christoph Vranek, alias Hahne, have in the whole affair?