故事发生在70年代的法国,西格蒙特(乔·达里桑德罗 Joe Dallesandro 饰)拥有一个幸福美满的家庭,太太贤惠温柔,女儿活泼可爱。因为公事,西格蒙特被派遣到巴黎出差,在那里,西格蒙特第一次领略到了大张旗鼓的色情场所带给他的震撼和诱惑。穿着暴露的法国女人们姿态优雅的在公寓里抽烟喝酒,供男人们选择,一个名叫狄安娜(西尔维娅·克里斯蒂 Sylvia Kristel 饰)的姑娘吸引了西格蒙特的注意。 狄安娜和西格蒙特共享了激情四射的一夜,这一夜让西格蒙特久久无法忘怀,之后,他们还相见了很多次,随着时间的推移,西格蒙特竟然付出了真心,狄安娜亦是如此。Sigismond (Joe Dallesandro) is a man lost in an erotic haze which clouds his judgment. Early in the film, it is evident that the man has a physically passionate relationship with his wife, with whom he has a son. While on a business trip to Paris, he comes under the spell of a famous, beautiful prostitute (Sylvia Kristel) who resembles his wife. However, his efforts to monopolize her attention are not appreciated by her pimp, and he is severely beaten. When he gets a letter informing him of the death of his wife and son, he is totally devastated.