一名从事机密军事研究的物理学家遇到了一个他开始怀疑是间谍的女人。她的妹妹与暴徒有关，其中一名间谍正在与暴徒合作。他不情愿地帮助联邦调查局把这一切都搞清楚了。

　　Chris McCormick (Margaux Hemingway), a high fashion and cosmetics model is brutally raped by her younger sister’s music teacher, Gordon Stuart (Sarandon). After pleading not guilty to the crime and being found innocent by a jury, Stuart finds a new victim in Chris’s younger sister and his own student, Kathy (Mariel Hemingway). Now even more enraged by the recent turn of events, Chris takes matters into her own hands as she seeks revenge for the crimes committed against both herself and her sister.