Mika Kurotani, an investigator in the International Division of the National Security Investigation Bureau, is worried about the disappearance of her respected superior, Ryoko Amamiya, and cannot sit still. She goes on her own to find and infiltrate the hideout of the criminal organization "Kurogashira"! She tries to rescue Superintendent Amamiya and get a clue to eradicate the criminal organization, but she is captured by the enemy and subjected to hellish iron shackle pleasure torture... And she becomes the victim of a human trafficking exhibition. She is raped by a sex machine in front of many shady men!