Gérard Blain, Jean-Claude Brialy, Juliette Mayniel, Guy Decomble, Geneviève Cluny, Michèle Méritz, Corrado Guarducci, Stéphane Audran, Paul Bisciglia, Jeanne Pérez, Françoise Vatel, André Chanal, Gilbert Edard, Clara Gansard, Jean-Louis Maury
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.