Detective Toru Kamishiro (Yuta Sone), who is determined to arrest Kudo-gumi boss Kudo (Hitoshi Ozawa), goes on a rampage against the yakuza, loses his police notebook and pistol, and is sentenced to probation. It was then that he met his father's former partner, Noda (Harumi Sone), who was a detective. Kudo sets out to crush the excommunicated Shinkyokai and plots to expand his influence. Noda once abandoned his father and killed him in the line of duty. When Tohru is faced with the truth, a rain of anger pours down into the darkness.