When Catherine is caught with her illicit lover by her father-in-law Paul, the concerned father leaves to tell his son Thomas about the incident. Paul is injured in an auto accident and returns home in a wheelchair unable to speak. Catherine's guilt weighs heavily on her as she hopes to never let Thomas know she was unfaithful. She panics and seeks a way to eliminate Paul in this psychological thriller.
Michel Serrault
Paul Duchêne
Nathalie Baye
Catherine Duchêne
François Dunoyer
Thomas Duchêne
Suzanne Flon
Clémence
Philippe Caroit
Didier
Sylvie Fennec
Geneviève
Bernard Fresson
Doctor Serge Cohen
André Valardy
Inspector Meunier
