Having fortuitously discovered a photograph in which Marthe embraces someone unknown, Étienne Dorsay becomes jealous and imagines various stratagems to identify the lover. In the meantime, he and his friends acquire a weekend house for a very low price.
Director: Yves Robert
Writer: Yves Robert, Jean-Loup Dabadie
Producer: Alain Poiré, Yves Robert
Director of Photography: René Mathelin
Etienne Dorsay
Daniel
Simon Messina, doctor
Boulifet, aka 'Bouly'
Marthe Dorsay, Étienne's wife
Mouchy Messina, Simon's possessive mother
Bernadette, designer collaborating with Étienne
Josy, Lucien's girlfriend