When the Diallo family return home from their holiday, they find the locks have been changed and the new occupants maintain they are in "their home". With no one to turn to, patriarch Paul gets closer to Mickey, a shady local man with a penchant for all things extreme and illegal. Soon the once anti-violent teacher is approaching the point of no return…
A 30-year-old woman, Victoire, the youngest member of the famous Bonhomme family and the tribe's well-behaved child, finally decides to emancipate herself by discovering alcohol, sex and... her voice. Thanks to Elvis and Banjo, a bar singer, she manages to take flight by singing about love with modesty and sex without taboos, and takes her mother with her, much to the dismay of her father and brother.
Ernest Krakenkrick and Bachir Bouzouk are about to become pilots in the French army. But after the bad consequences of a test undertaken with the centrifuge, they are forced to give up their dream. They are eventually given the position of baggage handler at Orly-West Airport in Paris. But one night, there is a hostage-taking in the airport and the "Moustachious", a group of terrorists, take hold of the control tower.
Four bearded, hairy rock musicians - and Belgians - bury the singer of their group. Out of friendship and to prove to itself that nothing can stop them, they decide to leave on tour to Los Angeles with its ashes. The day before the departure, a serviceman with a moustache appears as the lover of their friend. Their journey takes an at least unexpected tour ...