At the time of the departure of a freighter, a man runs on the pier, begging that he be taken aboard. The captain agrees. The only passengers are the captain’s niece, Marie, accompanied by her baby boy. A radio message is received. It seems that a murderer has just escaped on a boat.

The captain of a Marseille freighter suspects his wife of cheating on him with his childhood friend. The ulcerated wife decides to take a trip with her sister and this friend, and registers herself under a false name on her husband's boat. A disaster caused by the fog reveals to the household their love for each other.

A cabaret singer in Barcelona sacrifices her feelings for an exiled young Frenchman who had been falsely accused of a crime, when the sister of the real culprit seeks the exile out.

Bicard nicknamed Le Bouif earns 1,000 francs for lending his body to the experiments conducted by Professor Caligari. Further adventures await him when he encounters Ladislas, a young reveler, who happens to be the crown prince of Corinthia. This one, who favors living it up over his royal duty, commissions Bicard to replace him on the throne.

Belphégor deals with a series of mysterious appearances by a masked-and-robed figure in the Louvre; a security guard is murdered, and a later police trap is foiled when the phantom—“Belphégor” (the name of a legendary demon)—uses knock-out gas. Journalist Jacques Bellegarde of “Le Petit Parisien” (the real-life newspaper which published the original story in serial installments), investigates, and eventually discovers famous detective Chantecoq and his vivacious daughter Colette are also on the case.

Alcide Darbois, a small-time garage owner, and his sister Ursule come into a fabulous inheritance and become powerful industrialists. The cars they make a re very successful on the French market. Now a bit of a snob, Alcide decides to marry his daughter Suzanne to Marquis Gaëtan de la Michodière, but the young lady is actually in love with Bégonia, her father's chief worker. A car racing event will resolve the situation.

Young d'Artagnan leaves Gascony for Paris where he hopes to become a Musketeer of the Guard. He does meet three Musketeers, Athos, Porthos and Aramis, but totally by chance and for... a duel against them! But he soon befriends them and follows them in their adventures, notably on a secret mission to uncover a plot contrived against the Queen by Cardinal Richelieu.