本片翻拍自希区柯克的名作《后窗》。凯尔(希安•拉博夫 Shia LaBeouf 饰)本来有着一个幸福的家庭，然而一年前当他的父亲死于车祸后，他的生活开始改变。凯尔一直认为父亲的死与自己有关，一直非常自责。一天，老师批评凯尔时无意提到了他父亲，他爆发了，将老师扔了出去，因此被法院判罚监禁在家三个月。 　　母亲试图用工作冲刷掉悲伤，因此整天只有凯尔一个在家。百无聊赖的凯尔开始用他的望远镜偷窥邻居们的生活：风骚的女仆勾引男主人；三个小孩整天在家看A片；整天剪草的神经汉捏死在自己花园里打洞的兔子；长得鼻直口阔的美女天天游泳练瑜加等等。凯尔渐渐发现在这些邻居中了可能一个隐藏的连环杀手，危险也随之而来。After his father is killed in a car accident, things unravel for Kale Brecht and he is placed under house-arrest for punching his Spanish teacher. Having nothing better to do, Kale occupies himself by spying on his neighbors. But one night, he witnesses what appears to be a murder going on in Mr. Turner's house. Kale becomes obsessed with uncovering the truth behind these murders but, after a few unsettling run-ins with Mr. Turner, it becomes a matter of life and death. And the ominous question: Who is watching whom?