正義感の強い捜査官・竹内有紀は、違法なパッチ式媚薬を製造する組織を追う中で、後輩の岡本と共に敵アジトへ潜入した。しかし逆に捕らえられ、新型媚薬の実験台にされてしまう。執拗な快楽攻めにも誇りを保ち一度は脱出を試みる有紀だったが、媚薬に溺れた岡本の裏切りにより再び絶望的な状況へ。最後は強力な●物と快楽に呑み込まれ、捜査官としての尊厳を失い堕落していく。

Yuki Takeuchi, a highly principled investigator, infiltrates an enemy hideout with her junior colleague Okamoto while pursuing an organization that manufactures illegal patch-type aphrodisiacs. However, they are captured and used as test subjects for a new type of aphrodisiac. Despite being subjected to relentless ******* of pleasure, Yuki maintains her pride and attempts to escape, but Okamoto's betrayal, fueled by the aphrodisiac, plunges her back into a desperate situation. In the end, she is consumed by the powerful drug and the pleasure, losing her dignity as an investigator and falling into depravity.