A woman is sleeping in her bedroom. Her room can not be opened from the outside, but only from inside. When suddenly one night somebody attempted to murder her. Before the police arrived the killer fled and was not to be found. The police come to investigate who the killer is and how did he get inside.

Director: Bruno Podalydès

Writer: Gaston Leroux, Bruno Podalydès

Actors: Denis Podalydès, Jean-Noël Brouté, Sabine Azéma

Production: N/A