Kumiko (Airi Kijima), who leads a happy married life with her husband, Seiji, is visited one day by a cleaner named Shimozato. Kumiko, who is impressed by Shimozato's demeanor, asks him to clean her house. However, Shimozato harbors a twisted desire to defile beautiful things. Kumiko is drugged and violated by him. She continues to be blackmailed and repeatedly violated, enduring days of shame. However, contrasting with her indifferent husband, the sexual encounters with Shimozato begin to awaken the "woman" inside Kumiko.