The film tells the story of Detectives Chu Ja Young and Kim Dong Wook, who must solve a puzzling tragic end case involving a string of deaths at a local high school. Their investigation eventually leads them directly to a middle school student who has long suffered Harmful treatment at the hands of school bullies. In fact, each tragic end occurs just as it is described in the student’s diary. On that evidence alone, onemight think the detectives have an open and shut case. However, there’s one problem. The student is already dead!
