Investigator Otani captures and interrogates Nagasawa of the Kuroshishi-kai Sawaki-gumi in a series of disappearances of drug agents, but... under the orders of the yakuza wife Aoyama, the young men, led by the young boss Sagawa, carry out a desperate operation to recapture him. Investigator Otani ends up being captured instead. He is played with unreasonably, given the illegal substance they were pursuing, and is humiliated and violated... He fights desperately to endure the hell of pleasure, but the waves of pleasure never end... He is made to climax over and over again... What will be the fate of investigator Otani...?