This is the story of a desperate situation faced by an undercover drug enforcement agent from the extralegal intelligence agency "UCZ". A woman with a strong mental strength is tortured to an unbelievable extent, but she refuses to tell anyone or give in, and fights to the death. However, after an aphrodisiac is injected into her anus, her body is eroded by shame and humiliation, and she becomes extremely sensitive. The woman, transformed into a nymphomaniac by the brutal torture, falls into a hell of pleasure...