在这部偷窥疑云剧情/恐怖/惊悚片中,阿历克斯有个很讨厌的习惯，他特别喜欢跟踪陌生人，观察人家的一举一动。某次他做的有些过火，竟然悄悄溜进了一对夫妇的家里。然而对方并没有叫警察，因为他们觉得阿历克斯和自己过世的儿子提米非常相像，于是他们决定让阿历克斯留下来。然而随着时间的流逝，黑暗的真相逐渐浮出水面，阿历克斯必须赶紧逃走才行……
Alex has a disturbing hobby of following strangers...until one night he gets caught. Instead of calling the police, the couple--fascinated by Alex's resemblance to their dead son--asks him to stay, and Alex finds himself trapped in a horrifying existence of desperation, despair, and insanity.
