Yuki Takeuchi, an investigator with a strong sense of justice, infiltrates an enemy hideout with his junior Okamoto while chasing an organization that manufactures illegal patch aphrodisiacs. However, she is captured and used as a test subject for a new aphrodisiac. Yuki remains proud despite the relentless attack on pleasure and once tries to escape, but Okamoto, who is addicted to aphrodisiacs, betrays him and he is once again in a hopeless situation. In the end, he is swallowed up by powerful objects and pleasure, losing his dignity as an investigator and becoming corrupted.
