Divisional Inspector Bricot sends two detectives to the French Riviera to dismantle a drug deal in a carnival mask factory. However, knowing the low efficiency of his subordinates' work, he goes down to Nice to conduct the investigation.
Gérard Travers has known Minou since childhood. After completing his military service, he moved in with her, in all honor, until he could find something better. Together, they establish a protocol for living harmoniously as roommates without stepping on each other's toes, but little by little, Gérard becomes irresistibly attracted to Minou and vice versa. They realize that they've always been made for each other.
A woman suffering from amnesia reconstructs her life from audiotapes and discovers that she has had a sordid past, involved in prostitution, and unusual romantic relationships.