A chubby forty-ish florist is dumped for a gorgeous young woman. She decides to lose weight and to ruin her rival's life in order to win her handsome lover back.

Stressed and overworked, famous French movie star Michel Blanc is beginning to wear down, physically and mentally, from the pressure and demands of fame. Already in a fragile state of mind, strange events start to transpire all around him, and he gradually loses his grip. Taking the advice of a psychiatrist, Blanc retreats to the countryside with his friend Carole Bouquet, but Blanc still has not managed to escape all of his problems.