A small-town policeman is informed that "naked women" are dancing in a revue at a local variety theater. Being the guardian of public morals that he is, he decides to stroll on down there and check it out for himself.
Young provincial Charles arrives in Paris to stay with his cousin Paul while studying law. Paul is a decadent, bohemian pleasure-seeker who shows the meek, diligent Charles the thrills of city life. When Charles falls for Florence, one of Paul's acquaintances, relationships begin to shift.
Martine is a young woman plagued both by poverty and by uncaring, problem parents who in no way can provide the kind of nurturing that Martine needs during her adolescent years. As a result of her family situation, Martine runs away from home and gets involved with a group of teens and young adults...
Lucien, a modest engineering student, discovers that his steady girl friend Mireille is using him to cover up her dates with Mario, an older man. Lucien wanders about the streets of Paris and meets Joëlle, a sophisticated teenager who supports herself with a job in a sleazy nightclub. It is late...
An unscrupulous young man uses his "fiancée", who haunts gambling halls, to recruit the collaborators he needs to pull off his scams. When these unlucky gamblers are driven to dishonor by debts, he has his fiancée lend them money, and the next day he has them write checks, which of course bounce....
During a plane crash, Professor Sellier, an atomic scientist carrying very important documents, dies and his papers are stolen. Bordy, a sergeant in the Second Bureau, is asked to take Sellier's place in his family's home, in order to make the kidnappers believe that he is not dead.
