A psychoanalyst gives a strange advice to a mechanic whose marriage is falling apart: to take the blame for a murder, any murder, to impress his beautiful and indifferent wife, and his patient does just that.
François, le garagiste
Eve, l'avocate
Martial, le flic
Mireille, la majorette
Julie, la femme de François
Vincent Moreau, le psy
Jean, le mécanicien
Maurice Weckmann
Martial's collegue
Mme Weckman
Le patron de café
Marcel
Le chauffeur de taxi
La dame patronesse