Nolan, a young journalist, has to produce a documentary on past murders for his company. During that time, as in the past, a chain of events takes place again. The detective who is investigating the murder is Nolan's best friend. Nolan's media channel is also focusing on the latest homicide and entrusts Nolan with the task of compiling its investigative report. They then contact the detective to find out about the killer and try to identify the killer.