Two years ago, Reiko married her husband, but she has been troubled by her incompatible relationship with his son, Tatsuya. When Tatsuya reveals he has learned hypnosis, he asks Reiko to let him try it on her, hoping it might improve their bond. Seeing this as an opportunity to grow closer, Reiko agrees to be hypnotized. Although fully conscious, her body moves on its own, obeying Tatsuya's commands without resistance. Seizing the chance, Tatsuya begins giving her increasingly intimate orders. The story unfolds as their forbidden relationship grows deeper and more complex.