丹(迈克尔·道格拉斯 Michael Douglas 饰)拥有着人人羡慕的幸福家庭,他和妻子贝丝(安妮·阿彻 Anne Archer 饰)之间的感情稳固而又长久,女儿艾伦(Ellen Hamilton Latzen 饰)更是机灵可爱。一次偶然中,不只是鬼迷心窍还是怎地, 丹竟然和一个名叫艾利克斯(格伦·克洛斯 Glenn Close 饰)的女人有了一段露水情缘,回家后面对妻儿,丹的内心充满了愧疚,他暗暗发誓,绝不让背叛再度发生。 可惜艾利克斯并不同意但的看法,表面上,她是一个成熟稳重的知性派,可骨子里,艾利克斯却拥有着超越常人的偏执和固执,为了满足自己的私欲,她不断的骚扰着丹及其家庭,很快,这种骚扰变升级成为了犯罪。面对来势汹汹的艾利克斯,丹会选择怎样的对策来保护他的家庭呢?Happily married New York lawyer Dan Callagher has an affair with his colleague Alex, and the two enjoy a love weekend while Dan's wife and kid are away. But Alex will not let go of him, and she will stop at nothing to have him for herself. Just how far will she go to get what she wants?