Lola, the wife of arms dealer Pedro Wassewich, is attracted to Ludovic, a young painter who turns out to be the emissary of a notorious gangster. He claims to have been sent by the latter to pick up a shipment. In fact, it's the police who, behind the scenes, orchestrate the operation to catch Wassewich red-handed.

In 1942, a French prisonner of war in Germany decide to escape to France using a cow hold by a lunge as a decoy. He cross all Germany in this way.

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.