The masseur at a hot spring inn was known for his perverted, obscene massage techniques. Unaware of the hidden camera, female guests were subjected to invasive stimulation and forced into lewd acts, their humiliation captured on film. The first woman was a slender dancer with beautiful breasts. Though she claimed her friend would return soon, she still accepted the masseur's erect penis, writhing in ecstasy. The second was a middle-aged housewife traveling with a classmate. Drunk and dazed during the massage, she remained in a dreamlike state even as the man penetrated her. The third was a beautiful-breasted office lady who agreed to the "treatment" thinking it would end quickly. She struggled to suppress her moans but ultimately couldn't endure, her resistance crumbling.