Yoko, an employee at a trading company, is about to marry her colleague Masayuki and enjoys a smooth, fulfilling life both at work and in her personal affairs. However, her peaceful days are suddenly shattered. Inoue, the managing director who has long harbored impure desires for Yoko, takes advantage of a work-related incident she is responsible for and begins to pressure her. As the situation escalates, the story unfolds around how Yoko copes with the growing threats, and how her inner turmoil and emotional conflict intensify under the abuse and humiliation inflicted by Inoue, leading to a harrowing tale of violation, betrayal, and psychological torment.