A ruthless and eerily serial murder case where a female target is hit with a hammer according to a game scenario made by a former classmate. It was revealed that the scenario of the incident, which was attacked by a younger anatomist, Nakazono Kage (Iide Marie) 's younger sister, Yu (Kurosaki Reina) three years ago, continued. At that park, there was a command to take revenge on five happy couples ...! Anatomy doctor Takashi Yuzuki (Minami Tomomori) and Kage, detective of the First Department of the Metropolitan Police Department, Norito Takahashi (Masaku Takasugi) rushes to the scene to prevent new violent crimes ...! ? (Source: Amazon Prime)