The Investigation Bureau is investigating a criminal organization, Hades, for arrest. Leading the charge is Ai Shiroshima of the Secret Intelligence Division. She learns from an informant about a location suspected to be Hades' hideout and infiltrates it. However, mysterious individuals were waiting there. Ai is forcibly injected with an aphrodisiac and driven into madness. Further subjected to brutal torture, she becomes immersed in pleasure, even going so far as to suck on the penis.
