Tobi Chiju (played by Takashi Sorimachi) investigates the perpetrator of a series of police murders that occurred 10 years ago - his ex-wife Ibushi (played by Arisa Kanzuki).However, after leaving the Metropolitan Police Department after completing the investigation that day, Chou was attacked by someone.

At the same time, Fuwa Riki (played by Haruka Sugino) was near the Metropolitan Police Department.

On the roof of the building, the director of “ Okla ” Manabu Okuta (played by Jun Hashimoto) was arrested with a golf box and a rifle.Many claim they only found sniper rifles.So Li Ji said that he would go to the Scientific Research Institute to evaluate the smoke reaction, and ordered him to take off his shirt more.While waiting for the results of the scientific research, Jinduo was severely investigated by Renzi (played by Mai Shiraishi) and other “Okra” members——.

On the other hand, Oze Yoshiro (Matsukaku Yohei), who succeeded Kasuke Hideo (Nakamura Shunsuke) as the head of the Investigation Section 1, also came to “Okra”.Oze, who spoke highly of the members of “Akura”, asked them to help investigate the Kasei murder case, in which someone else was not the real culprit of the crime. At the same time, he decided to set up an investigation headquarters in “Akura”.