Elite female detective Sayaka Nanjou, who has solved countless cases, receives a new assignment. A lead has been found on an organization that is expanding its power in the underworld using high-grade illegal drugs, and she is tasked with infiltrating it. Driven by the mission to destroy the organization, Sayaka, with the help of her superior, Terada, successfully infiltrates the criminal organization and obtains evidence. However, she is captured just one step away from success. This... was Terada's cunning trap! For some reason, Sayaka, who became the target, gradually loses her sanity and her body throbs as she is applied with a special aphrodisiac oil. And as she is repeatedly creampied and fucked by the men of the organization, she eventually becomes a depraved sex slave...