Maki Hojo checked into the hospital for examination after feeling unwell. Following the doctor's orders, she began a stay for further testing. Lying in her hospital bed, still unconvinced about her condition, she learned that an elderly man in the same room had been hospitalized for the same reason. As anxiety and frustration built up, she became trapped in lustful dreams. Her mature body ached with lingering desire and growing arousal, her consciousness fading in and out. Each time she had sex with her husband in the hospital room, she noticed her sensitivity increasing, her pleasure intensifying more than ever. Something was happening to Maki Hojo's body— but why?