Bernard is planning a romantic weekend with his chic Parisian mistress in his charming converted French farmhouse, whilst his wife, Jacqueline, is away. He has arranged for a cordon bleu cook to prepare gourmet delights, and has invited his best friend, Robert, along too, to provide the alibi. It's foolproof; what could possibly go wrong? An evening of confusion ensues as Bernard and Robert improvise at breakneck speed.