Concerned about a student's behavior, Hiroko decides to visit the parents, but is violently raped and kidnapped by the boy's father. Overcoming this traumatic experience, she begins a new life working at a soapland. However, when she returns to the school, a new reality awaits. Now, she must live a double life as both an active-duty female teacher and a soapland worker. As the harshness of her present collides with the trauma of her past, how will she face this relentless struggle?