《原来这只是他计划杀死五个人的一个计划。探员记下了在军的联络住址，然后将他驱逐出警察局。在探员眼里，他只是一个无聊的精神异常者。不久之后，督查员王韦汉（刘青云饰演）所在的地区发生了一起凶杀案，死者的尸体状态很恐怖。王韦汉认为这种处死方式带有不寻常的动机。不到一周时间，王韦汉接手了另一宗凶杀案，死者同样是一名男子，死于一个废置的机械工场。他的死法非常残忍，双脚被强行穿上细尺码的红色高跟鞋，脚面和两侧都钉上了十多个铁钉。在翻阅全港可疑人物和案例时，王韦汉看到了吴在军当天来自首的记录。王韦汉立即带领队伍前往在军的住处进行搜查，但屋内空无一人，除了大量的古老童话书籍外，没有其他可疑之处。然而，此时王韦汉还不知道，一个被精心设计的大网已经展开，而结局异常匪夷所思，难以预料。

One night, a very strange man came to the police station. He claimed that he was like a staff member and reported that he had killed five people. But he can't tell the relationship between these five people and himself, and he can't describe the process of hurting them and the details of being killed. In the eyes of Taiyuan people, he is just a very boring and mentally abnormal person. So the Taiyuan people drove him away. Not long after, a series of homicides occurred in the area of the Taiyuan assistant In a murder case, the deceased was also a man, and he died in an abandoned machinery factory. His death method was also very cruel, without a face, and the feet of the deceased were forcibly put on high-heeled shoes on the instep and sides, and fixed. When the police officers were looking for the suspect, they suddenly thought of the male protagonist who came to the police and surrendered. So when they took the team to his room to search, they found that the room was empty..