Léonard Monestier owns a large fortune, alas his wife Cynthia made a bad investment in a worthless oil concession. Far from letting this get him down, Léonard decides to find…

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…