男孩哈勒姆（杰米•贝尔 Jamie Bell 饰）自小就十分依恋母亲，他喜欢拿着妈妈的东西胡闹：拿眼线笔画眼线、拿唇膏到处涂抹、用妈妈的耳钉帮自己穿耳洞……然而，他的母亲却突然离世了，之后他的爸爸娶了他的继母。哈勒姆十分悲伤，正处在青春叛逆期的他怀疑母亲是被他的继母谋害的。于是，哈勒姆把自己慢慢于是隔绝开来，经常喜欢独自一人在树屋内远远的偷窥着别人，为的是能探究出母亲的死亡之谜，帮她复仇……...
Returning from vacation, the Miller family find their home has been broken into. After cleaning up the mess they continue with their lives, shaking off the feeling of being violated. But little do they know the nightmare has just begun....
