After lovers fight, the boy leaves for the Riviera. On her way to rejoin him, the girl meets a distinguished but embittered novelist and decides to spend time comforting him.Which is not going to help when she returns to her boyfriend.

On his way to Paris, Casanova keeps on collecting female conquests, does not shy away from duels and gets into many a colorful adventure. Once in the capital, the fearless knight saves the honor of a great lady, conquers the niece of his implacable enemy but courts disaster for love of Coraline, a faithless opera dancer.

André de Kerdec, a young lawyer buys an old parchment in an antique shop and discovers that a treasure is hidden in the bedroom of Artémise, an old maid who owns a manor. He manages to be hired as her chauffeur by Artémise and sets about looking for the treasure. During this time, he falls in love with Lucie, the old spinster's niece. But the trouble is that Artémise develops a crush on André...!

For fun and to dazzle his wife, the novelist Morgan steals a ring and gets rid of it in the costume jewelry section of a supermarket. Sophie buys the diamond, which forces the novelist to embark on crazy adventures to recover the jewel.

Marc, a photographer, works out of love to help Dany, a car thief, to get back on the right track: he offers her to work with him, as a model. But the former accomplices of the young woman compromise this action.

Max and Colette often bother the lawyer Vermorel to initiate divorce proceedings, then everything calms down. An anonymous letter escalates the disputes, it borders on disaster but living together has obvious charms.