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.
Pierre has prepared a surprise for his wife Brigitte's birthday. But a series of harmless incidents (like a draft and a sun beam reflected off a window) brings the young next-door girl neighbor into his bed just as Brigitte walks through the door.
