A chaotic family go on holiday to Spain and get mixed up with a gang of diamond thieves.

Cyprien and his friends Hector Colomb and Annette are penniless and desperate. They need someone to take an interest in them. One day, they decide to become volunteer castaways. To build their raft, they sawed down trees in the Bois de Boulogne. With the support of Caroline Grossac and her mother, they were backed by M. Grossac, a comfortable businessman with a keen sense of publicity. Launched in Saint-Tropez, the raft made only a short crossing. Nevertheless, the new privateers are acclaimed, and the wilful shipwreck business is so successful that it makes Hector and Annette rich, while Cyprien marries Mlle Grossac.

Jules Pinson, photographer in a small provincial village is in love with Annette, the daughter of the grocer. She 's dreaming only heros of adventure movies, so Jules invents a twin brother, Caesar, hunter of lions in Senegal ...

The basic premise: A retired bus driver fulfills his lifelong dream of providing an extended "voyage surprise" (the title is translated as "Mystery Tour") for unsuspecting vacationers. They soon realize, while riding in the old man's home-made bus, that he hasn't bothered to plan any kind of itinerary. As a result, they end up in completely preposterous situations, of course. Voyage surprise!

Jules, small and weak, dreams of becoming a formidable athlete. He strives every morning to practice physical culture exercises and takes comforting tablets, without success. But he meets Nénette, a woman who, when he kisses her, suddenly endows him with prodigious strength.

A compilation of segments covers the seven deadly sins of greed, wrath, envy, pride, lust, sloth, and gluttony.

Gaston is in love with Brigitte, daughter of the Baroness, who claims to have a lover. Gaston sets off for Paris, with 300,000 francs borrowed from the Baroness, to find his rival. He is robbed and forced to work in cabarets, where his father, his fiancée and the Baroness, not to mention the Curé, come looking for him. All ends well.

Lyane is a singer and daughter of the producer of the operetta: "C'est une fille de Paris". She convinces the composer of the music, Jacques Kellermann, whom she loves, to sign her piece. The famous composer Jean Paget, who cannot put the work to his advantage, declares to Jacques that Lyane had a child by him. Shocked, Jacques breaks with the singer who soon knows the celebrity. Finally, he realizes that happiness is ready to be seized, because the beauty still loves him...

Sabine Gravières, married to Edouard, the High Commissioner for Criminal Youth, has a problem: Juliette, her daughter, is not only pregnant but she also refuses to marry Claude, the young man who got her pregnant. It is fair to say that the model set by Juliette's parents is far from ideal. Aware at last of the problem, Sabine decides to try and make it up with her husband.

Yes, Doudou (or, more respectfully, Edouard Doucin) is both heir to a big sugar refinery and its managing director but he is also an incorrigibly bashful bachelor, which just exasperates his aunt Agatha. Summoned to marry as soon as possible, Doudou is fortunate enough to meet Babette , an elegant young lady who wishes to introduce him to her parents. When he comes to visit them, he mistakes the floor out of nervousness. In fact,he finds himself at the Lautiers' not the Olivaros'. Now, chance has it that this couple of shopkeepers also have a marriageable daughter. And as Poupette is romantic, passionate and adorable, Doudou can't find the nerve to disappoint her. As a result the young man gets engaged...twice ! How the devil will he cope ?