Bernard Lefrancois is a prosperous farmer on the River Marne, while his neighbor is impoverished. Lefrancois objects strongly to the romance between his son and the neighbor's daughter, but it continues in secret. WWI begins and the son becomes an aviator with the French army, and the unwed girl presents Lefrancois with an unexpected grandchild. The German army occupies the area, and the girl is serving France as a spy and securing information needed by the French to drive out the Germans. While his son is engaged in air-combat against the Germans, and the unwed mother of his grandchild is serving as a spy against their country's enemy, Lefrancois also joins the battle as a soldier.

Ireland, 1922. In the midst of a national uprising, Catherine, a young orphan employed in household chores, goes in search of her brother whom she has heard in a dream calling for help.

Raven, a mobster just released from prison, settles the score by murdering Mendetta and her partner, who had turned him in. Having taken over Mendetta's various bars, he finds himself at war with other mobsters who want to kill him.

Anthology film with three shorts each featuring a famous detective: Monsieur Wens, Lemmy Caution and Maigret.

Henri, the Man from Nantes, comes back to his country after a successful stay in the United States, where he was working for Liski, the drug dealer. With the fame of being a tough guy preceding him, he sets himself to the task of knowing why the French operations were not so profitable - and soon he is master of all links of the organization. He can now get it honed to perfection - or destroy it. Only... the Police are following his every step.