Detective Yvonne is the widow of police chief Santi, a local hero in a town on the French Riviera. When she learns he was in fact a crooked cop, she tries to right his wrongs. Crossing paths with Antoine, a victim of Santi, sets off a series of wild events.

Alain hopes to have a baby with his wife Anna. However, Anna believes she is destined to become a famous pianist rather than a housewife and mother. Everything changes when they adopt a female puppy named Bambou. After successfully passing an audition, Anna leaves on a concert tour with a world famous conductor. Being apart takes its toll on the couple and they decide to break up. Alain finds himself alone, without a wife or a baby--just a dog, that he is not sure he wants to keep.

Mathieu, a piano virtuoso, goes home to help his brother Paul to take care of their sick mother. Paul is into reenacting old battles, dressing up and getting into character, even dueling if necessary. Mathieu gets involved in this world and play becomes real.