特德是一个专门偷窃宝石捷汽车的团伙头目,在一次偷车事件后,引起了警方的注意,警方于是派一个刚刚加入警队并对汽车非常了解的警察本杰明,化名比尔到特德的修车厂去卧底,比尔通过在修车方面的优异表现取得了特德的信任,并与特德成了好朋友。在特德的手下马尔科姆被杀后,警方加强了对特德的调查,而同时比尔的身份也被特德识穿。特德为了赢得比尔,不择手段地杀害了两个知道比尔身份的警察,希望能让比尔彻底回到他的身边,比尔该怎样面对这一切呢?Benjy Taylor is a rookie cop who goes undercover to nab a gang of car thieves led by Ted Varrick. Taylor becomes too involved and starts to enjoy the thrill and lifestyle of the car thieves, and falls in love with Varrick's sister Ann.