Laurent (Alain Chabat) is married to Loli (Victoria Abril) and to all intents and purposes they are a happy couple. Laurent's business is going well. They have two kids, and a lovely house in the South of France. Of course, Laurent is a serial adulterer, but Loli knows nothing of his philandering. Then one day this apparently idyllic situation falls apart. Marijo (Josiane Balasko), a butch lesbian wreathed in cigar smoke, breaks down her camper van outside the house.