Fearing the rise of the armed and violent organization Union, which has become a major force in the underworld, the state gives secret investigators powerful new investigative powers. A year ago, Shunka was killed by a Union executive in front of his buddy Kamishiro, and he infiltrates the solo organization's hideout in a desire for revenge. An investigator who loses his loved one and is bent on revenge. The evil organization that awaits the strongest woman, the trap of torture