Gaspard Dassonville is 63 years old. His lifestyle is half that: a famous television producer, he accumulates thirty-year-old girlfriends and stubbornly ignores any ageing signs. But old age suddenly hits him with a thump: Gaspard is obliged to take in his father, Hubert, who can no longer live alone. An unmanageable old man, Hubert upsets his son's arrangementswith illusory youth. The duo becomes a trio when Zana, a nurse's aid with dubious references and a wild imagination, arrives. Both fascinated in their own way by this highly unconventional woman, father and son clash and rediscover each other.