Laurent, a young playboy, lives off his charms, maintained by wealthy women of the world. He becomes the lover of Sonia, a young woman painter, a lover at heart of course. But Sonia has a provincial friend, Clotilde. One day, Clotilde pays Bona a visit. As she has just come into a large inheritance, Laurent courts her and marries her. The young couple embark on a misguided life of easy pleasures and questionable company. Clotilde's nerves crack at this game. Among Laurent's acquaintances, François, a doctor, treats her in his clinic: sleep cure, rest, etc. Meanwhile, Laurent distracts himself with other women. But Clotilde, convalescing, refuses to resume life together. Laurent turns to his former mistress, Sonia.

Paris, at the start of the German Occupation, five men plan to sabotage a factory.

A young woman is psychologically manipulated and tortured by her treacherous husband while her lost fiancé is missing, presumed dead, and only the ghosts of the castle can tell the tale.