Paris, 1956. Everything is going smoothly for Roger, married to Denise, and Paul, married to Monique, until the day they win a house in a radio contest. The difficulties of living together and the intrusion of their parents-in-law lead to a falling out.

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.

Author of the best-selling crime novel Le Poulet se mange froid (Chicken Eats Cold) under the pseudonym Sam O'Connor, Inspector Bourdieux's daughter, Agnès, is unwillingly drawn into the gangster ring by two small-minded young misfits, Dédé and Juju. She's not insensitive to the charms of M. Paul, a false kingpin who is in fact a son of a good family and a thrill-seeker. Planning a heist at the home of one of Paul's snobbish friends, she arrests the real Sam O'Connor, an escaped convict, with the help of her father. Then she and Paul confess their love for each other.

Claudius Binoche, brigadier de gendarmerie in Champignol, is about to marry Suzette, the post office maid, when she disappears, called to the village of Buzy by a mysterious telegram. The brigadier is transferred to Buzy to investigate, but Buzy is not Champignol, and Captain Raspec is an irascible superior. Suzette is nowhere to be found, and Binoche can't think of anything better than organizing robberies under the name of "Bandit de la colline aux oiseaux". This bandit does exist and is on the rampage. His name is Vittorio. Binoche, eager to prove herself, earns the respect of the locals and the friendship of Vittorio, Suzette's own brother.

Burt Brickford, a deserted U.S. Navy captain stranded in a South American port, rents out his services to survive. Perez, a drug trafficker, calls on him to command Henry's yacht, on which a group of would-be treasure seekers are embarking.

A story of the love of Frou-Frou - an actress and singer in the in the beginning of her career.