A bossy count has trouble marrying off any of his six sons. When one of them, Adam, finally makes wedding arrangements, something happens to his bride to be: she develops amnesia after an accident.

Barbara Van Looren is the lively, clever daughter of the well-known shipowner. For her, life is a breeze, even when she's kidnapped by Mike Cortez's men. A young journalist, Mercier, who tried to defend her and was forced to follow her, doesn't share her optimism and manages to escape. Barbara is sequestered because her father has caught wind of a diamond deal. If he renounces the customs action, his daughter will be returned to him. Mercier, with the help of a couple of loyal friends, discovers the instigator of the traffic, a member of the board of directors, and finds Barbara, still as petulant as ever.

Roland Lasserre is a shy boy, which would be nothing if he weren't also prone to the violent tantrums that have earned him his nickname "Soupe au lait". It's when Francine announces her engagement that he decides to declare his love for her. Francine is not at all keen on the husband her parents are forcing on her - a wealthy record manufacturer - but she gives in under their pressure and asks Roland to give her up. But fate has other plans. A car accident provokes the young man's anger, and with Francine on board, he chases after the hit-and-run driver and ends up in a ditch, luckily undamaged, 50 km from Paris. Torrential rain, lack of transport, welcoming hostelry. All Roland and Francine have to do is confess their guilt, and for the sake of honor, get married... All would be well were it not for René, the neglected fiancé, who provokes "Soupe au lait" and triggers a scandal during the ceremony.

Sophie Mallet is the lively manager of a detective agency, assisted by Emile Gachit, her conscientious but not very effective right-hand man. One day a fellow named David entrusts her a pack of cigarettes that she is supposed to hand over to a certain John Smith. But David soon disappears while John Smith is murdered. Moreover, a lot of dubious characters prove "very interested" in the pack of cigarettes... Which will keep Sophie and Emile for some time...!

At Christmastime, the love affairs of five clothing models working for Pierre Roussel, a renowned Paris fashion designer. Marlène hesitates between two suitors. Blanche, who loves Jean, Roussel's son, wants him to talk to his father about their relationship. Catherine learns that her lover has a wife and two kids. Jeannette throws herself into the arms of an Oriental prince. In despair the fifth one attempts to commit suicide...

A talented but crazy painter, Elvire Mercier agrees to sell one of her canvases to Pierre Leroy, a rich heir. But after a string of misunderstandings, she hands her painting over to a swindler. And her problems have only just begun.

Dominique is a pretty, vivacious girl. When she witnesses a car theft, she throws herself and her bicycle under the vehicle. Jacques Mareuil, whom she then blackmails, pays her a sum to cover her debts. In reality, Mareuil, a policeman, is keeping an eye on Atcheminov, the owner of the car, but, wanting to prove that he is an unscrupulous trafficker, he comes up against Dominique's impetuosity time and again. It all ends up like in a good comedy.