When four female friends go on a retreat to a secluded lakeside cabin, they soon realise they’re not alone. Masked intruders try to take them hostage, but as they fight back, the friends get a taste for something more than the will to surv…
天真甜美的十四岁少女海莉（艾伦·佩吉 Ellen Page 饰）在网络上认识了三十二岁的摄影师杰夫（帕特里克·威尔森 Patrick Wilson 饰），二人相约在咖啡馆见面，相谈甚欢。海莉主动要求去杰夫家，让他为自己拍摄艺术照片，杰夫欣然从命。聊天喝酒之后，杰夫突然眩 晕倒地，醒来发现自己竟被五花大绑。原来海莉是有备而来，就是要惩罚在网络上勾引…
