Marc, a motorcycle brigadier, is engaged to the charming Véronique. But his future brother-in-law, the clumsy Roger, leader of a Sunday motorcycle gang, has set his sights on joining the motorcycle police.

Rejecting the union of her daughter Brigitte with a modest worker, Madame Magnin invents an adultery for the lover, then introduces Brigitte to a good-looking man working on the famous RTF entertainment show 36 Chandelles. The show ultimately seals the reunion of the two estranged young lovers. The story features a parade of music-hall stars from the era: Charles Trenet, Charles Aznavour, Georges Guétary, Juliette Gréco, Roger Pierre and Jean-Marc Thibault, Fernand Raynaud, Georges Ulmer and many more.