曼迪·莲恩是学校里每个男生渴望的对象。当曼蒂接受了同学的邀请，参加位于德州边境乡村小屋的周末摇头狂欢派对，她必须阻止一个个男同学前仆后继向她进攻，然后一个秘密的护花使者自动开始替她除去一个个眼中钉，用其它追求者的血液写下他对曼蒂不悔的爱。SPOILER: The orphan Mandy Lane is a beautiful, virgin and pure teenager raised by her aunt, desired by her schoolmates and a close friend of the outcast Emmet. After the death of their high school mate in a pool party, Mandy befriends Chloe, Marlin, Red, Bird and Jake. Red invites the group for a weekend party in the isolated ranch of his family, with all the boys disputing who would succeed in having sex with Mandy Lane. They meet the henchman Garth that takes care of the ranch and he asks the group to go easy on the drugs and booze. In the middle of the night, a stranger wearing a hood attacks Marlin in the barn; when Jake seeks her out, he faces the killer, beginning a night of bloodshed and terror.