Several murders of young girls occurs at midnight one after the other, all of them are cruelly raped then their bodies are cut to pieces by a metally disordered man.

Although the tradgedies are performed without any clues still can not be hidden, finally the crime is revealed, when the cruel devel, Lam Kor Yu hands the films to a photoshop for developing.. Mr Lee, inspector of the murder department arrests him without exerting any effords. With his past experience he adopts the methods of convince as well as force makes Lam Kor Yu tell the details of each crime commited.