In a college, three friends form a secret society. Their objective - going to America. One night, after one of their secret meetings, one of them sees a man coming out from a wall. The next day, after he talks about it, he disappears. Then, the second one vanishes. Are they gone to their dreams? That's when the art teacher is murdered. Suspicions now are too high so the third one decides to investigate.
Pursued by the police, Saget usurps the identity of a man who was returning to his town after having made his fortune in the United States. Under this new name, he deceives his compatriots with the exception of a doctor and the savage Isabelle. During an explanation Saget understands that Isabelle secretly admires him. She denounces him and Saget surrenders without a fight. Thus he ruins all his prestige with the young Amazon.
Femme fatale Madeleine Robinson is married to Raymond Aimos, a coal miner with a face like a pickled walnut and a libido to match. She wants some action, and what she can’t get from her impotent husband, she looks for elsewhere, first with his best friend Pierre Brasseur, then with his boss Lucien Gallas, who is also dating Brasseur’s kid sister Odette Joyeux.
