Izumi Kenji, founder of an investment advisory firm, falls critically ill and is hospitalized, leaving the company vulnerable. Sensing his weakness, the vice president plots a corporate takeover. Having ruled the company autocratically, Kenji has made many enemies and finds himself without allies. His wife, Yukino, is left isolated and becomes the target of exploitation. She is captured and subjected to brutal training by a pleasure dominator. Married to an older man and deprived of physical intimacy for years, Yukino's suppressed female desires begin to surface uncontrollably, driving her deeper into madness. Her descent is portrayed in a way that captivates the audience completely.