Having suffered vicious bullying in junior high, schoolgirl Naoko Kirino was admitted to a mental hospital. A few years later, she kills all of the medical staff and escapes. Now, as Naoko wanders around town wearing a disfigured pumpkin head, all that occupies her mind is exacting revenge against those who cruelly wronged her. It is time for revenge. Nobody can escape; "Pumpkin Night" seeks to kill them all.