A modern remake of Renoir's classic film. Aix-en-Provence, a spring night. Christian Lespinglet, an over-indebted gallery owner, rescues a homeless man, Boudu, from the waters of a canal who was trying to drown himself. Heroic to his detriment, he brings him home, for a few hours only... The incongruous arrival of Boudu will act like a mad dog in the game of skittles that is Christian's life...

In Marseilles (France), skilled pizza delivery boy Daniel who drives a scooter finally has his dreams come true. He gets a taxi license. Caught by the police for a huge speed infraction, he will help Emilien, a loser inspector who can't drive, on the track of German bank robbers, so he doesn't lose his license and his dream job.