A May-December romance. Roué Giulio Marengo, a Roman landscape architect unhappy in his marriage, meets Francesca, a young and beautiful Florentine, and then learns she might be his daughter. He resolves to keep his hands off but can't seem to stay away, and she's eager for a lover who's a father figure. He's happy to be a kid, so he tries to find out who her father is; his wife knows something is up; his daughter, who's Francesca's age and is pregnant, encourages the affair. Should he tell Francesca his fears that it might be incest? If he tells her and she doesn't care, what next? And what of his wife, who still wants to be married? Francesca takes control. 爸爸我爱你！所以我的第一次必须给你！。你不要走。父女是上辈子的情人。唯有惆怅永远怀念。《你不要走》——到底是良辰美景虚设。不太好说又不得不说。失落的泪水浇不灭爱情，宿命般的离散让爱意弥漫，就错过吧，在这最美的时刻。“快咬我的屁股”。法国女人真自由。你不要走。 朱利奥（马塞洛·马斯楚安尼 Marcello Mastroianni 饰）人到中年，魅力却有增无减，生性风流的他身边常常变换着女伴，日子过得肆意而又自由。某日，朱利奥邂逅了一位名为弗朗西斯卡（娜塔莎·金斯基 Nastassja Kinski 饰）的年轻女学生，弗朗西斯卡的单纯和善良吸引了朱利奥的注意。 情窦初开的懵懂少女怎能禁得住“身经百战”的朱利奥的引诱，很快，两人就坠入了情网，在弗朗西斯卡鲜嫩美好的身体上，朱利奥似乎找回了年轻的感觉，但随之而来的，是另一种隐秘而又古怪的情感。一次偶然中，朱利奥震惊的得知弗朗西斯卡有可能是自己的亲生女儿，巨大的冲击之下，朱利奥离开了弗朗西斯卡，使得后者陷入了绝望和痛苦之中。
