Fearing the rise of the union, an armed violent organization that has become a major force in the dark society, the nation has given secret agents new and powerful investigative powers. Shunka, who was killed by a union executive in front of her buddy, Kamiyo, a year ago, sneaked into the hideout of a single organization with revenge. An investigator who is robbed of his loved one and burns for revenge. The trap of torture Ryo, an evil organization that awaits the strongest woman. A busty agent who is brainwashed and falls into the flesh of the enemy's organization!