After committing a murder, a man locks himself in his apartment and recollects the events that led him to the killing.
In her village, Ms. Husson seeks to put a price under a rosiere but finding no worthy young pretty girl, hands it has Isidore, the village idiot, who becomes rosier
Evelyne, a woman of bourgeois origin, now reduced to dancing in a sleazy nightclub, is reunited with her first love, who has become a successful doctor.