Bob, a talented draftsman, and his young wife Marie-Blanche, a young antique dealer, adore their only son Gégé. But for the most trivial of pretexts, the couple often quarrel. A more serious quarrel leads to separation and divorce proceedings. Gégé spends a week with one of them, and a week with the other, each vying with the other for the little one's affection. But Gégé realizes that he can perhaps initiate a reconciliation.

Pierre Cousin, a depressive compositor, wants to die. After five vain attempts at committing suicide, he decides to hire professional hit men to do the job on him. But as he's waiting for death, he accidentally saves a suicidal young woman's life... and falls in love. Having suddenly found a reason to live, he now fears the killers he himself hired. Is there still time to call off his contract?

A penniless adventurer, Eddie Morgan survives on his wits and good humor. He's a bluffer. To help the owner of an oil field, he launches a vast investment campaign, with the help of a few friends, to benefit the French people. A rival group, led by Serge Colonna and Dominique Ardan, tried to buy the land from him, because according to an expert, there was no oil to exploit. But the expert had lied, and Colonna had just signed the purchase contract. Eddie, with the help of Dominique, whom he has seduced in the meantime, snatches the famous paper from Colonna's hands. The oil can flow.

OSS 117 is asked for help by a female acquaintance Muriel Rousset. She beseeches him to retrieve secret documents which have been stolen from Sir Anthony Lead, the father of Anita and Marion. He complies with her wish and no obstacle or danger can hinder him from meeting her expectations.

Penelope Benson, known as Penny, is both romantic and determined. Put in a select boarding school by her mother, she takes advantage of a trip to Paris to get away from it all and live her own life. That's how she meets Antoine du Merlet, whom she takes for a young hoodlum when in fact he's a police superintendent. She spends the night at his place, which leads to a number of setbacks for poor Antoine, who is stigmatized by the headmistress, abandoned by his mistress and has to face a strip-tease session starring the unconscious Penny... But Penny's a spicy one and Antoine's a nice guy, so... !

Anne dreamed of meeting Alfred Hitchcock during his visit to Switzerland, but the famous director has already left. Her fiancé, Jean, is completely broke. The young couple then resorts to a scam to pay for their vacation. Anne drops her worthless necklace at the feet of Monsieur Georges, who accidentally steps on it. To make amends, Georges invites her to his room. Anne receives a diamond necklace, but Georges becomes too pushy, and Anne ends up fleeing with the piece of jewelry…Georges then gives chase to Jean and Anne's 2 CV. The two fiancés decide to meet up in Lucerne and split up. Anne gets a lift from Bob, a Dutchman driving a sports car. She tells him that Georges, who is still pursuing her, is a human trafficker. Bob offers to drop Anne off in Rotterdam…