The story of the Three Musketeers, D'Artagnan, and the imprisonment in an iron mask of the identical twin of the King of France, Louis XIV.

Didier Formenter, the French scientist, has just put the final touch on an invention that will be able to destroy to destroy any sort of flying apparatus. An international crime gang is very interested in stealing this equipement to sell it to the higher bidder of lawless nations. Menaced, the scientist, who was friends with Nick Carter's father, calls Nick for help. At Nice airport, Nick Carter escapes death, but that night he is unable to stop Formenter's murder. He suspects Bruno, Formenter's adoptive son, and Tonio, the owner of a bar near Formentier's home. Bruno is actually after Formenter's heritage, and for that he tries to kill Catherine, Formentier's granddaughter. Therefore, Nick Carter finds himself against more than a gang, but he will uncover the plots, in time to break every gangster apart.

Léopold, valet de chambre to the avocat général Maître de Royssac, starts studying the penal code and, during his leave, becomes a judge in a "middle" court. His decisions are recognized as final. Léopold falls in love with Agnès, engaged to the two-faced Doctor Ventoux, who becomes "Le chat" when he plays the gangster. Léopold will help "Le chat" pull off the heist of the century, if he remains free to court Agnès. "Le Chat" doesn't play along. A fight breaks out between Léopold's gang and "Le Chat's" gang. The law must prevail.

A story about two girls who grew up as sisters, were separated and finally met again.

Julien Brûlebois, a brave peasant from Auvergne, learns that he has been summoned to Strasbourg to collect an inheritance. Amazed by the operation of the bus that takes him from the station to his notary's home, he decides to buy it. What follows is a bewildering chase between the agents of the Strasbourg transport authority, the capitalists, the naive peasant and his lucid, pretty fiancée.

Hakim Gregory escapes from prison by killing a number of guards, and returns to his hide-out abroad, to lead again his gang of drug trafficking and contract murders. Layton of the Secret Service must discover, and arrest him. The difficult mission almost becomes impossible with the rivalry of Layton's partner, Petula, the jealousy of his bride, Marion, the possible treachery of a Spanish woman, Dolores Arrabal, and yet a mysterious and sexy informant, Rosario... Too many women for Layton.

In Barcelona, secret agent Antoine Donadieu thwarts the plans of a Nazi scientist.

Secret agent FX-18 goes undercover to break up an espionage ring.

This talkative and unevenly paced feature finds Fou (Jean Lefebvre) the inventor of a gas that makes the users fall in love. He is chased by his boss, the police, and spies, who seek to secure the secret recipe for their own selfish purposes. A shadowy American underworld figure tries to intimidate the inventor. A half-hearted attempt at comedy tries to go along with the double dealing and trickery of the thin plot of the film.

A gang of young tugs led by Frankie, opens a nightclub just in front of a gangster's hideout. Morelli is his name and he prepares the stealing of the century.