Ari Rose is a failing actor who cannot distinguish between reality and fantasy. He first dreams about and then meets in real life a mysterious woman named Helen. A seemingly mutual obsession ensues, but gradually spirals downward into a web of desire and misperception.

一对来自波士顿而且富有的大妇，正前往他们在缅因因州海岸一个小岛上的别墅。 下著滂沱大雨的夜晚，他们急著赶搭最后一班渡轮，前往他们的别墅。半路上，他们发现一位满身血迹的年轻人，这年轻人央求他们不要报警。且搭上渡轮也来不及了，温不格夫妇只好伴随著年轻人住在汽车旅馆一天一夜...