Yuki Koga, whose name was written in "Ura K-sensei" as the criminal who killed his best friend, is cornered and seriously injured. The poster "Anonymous" may be a person inside the police ...? While doubts swirl in the finger murder countermeasures room such as Wataru Manjo (Shingo Katori) , Arisa Serizawa (Mai Fukagawa) newly visits for consultation. It is said that the hoax that the woman in the video that makes the clerk who is burning on the net sit down is Arisa is spreading. Her face photo and work place were also exposed, and it is said that she has been severely accusated by the world.
A fictitious department "Finger" established within the Metropolitan Police Department to deal with the social problem of keyboard murder = finger murder, in which the victim commits suicide in the worst case, suffering from slander and burning on the Internet.
