
Bob Letellier, a good looking rich kid who studies science, makes the acquaintance of Alain, a cynical and immoral young man. The latter introduces him to the existentialist circles of Saint-Germain-des-Prés. Bob is invited to a party and becomes Clo's lover, a rich heiress.

as Robert 'Bob' Letellier

as Mic

as Clotilde de Vaudremont

as Alain

as Roger

as Bernard

as Lou

as Nicole

as La mère de Mic

as Hippolyte Félix

as le jeune qui monte sur la Vespa