In a secret room, kidnapped women have undergone training to obey their master's will. Now, a new candidate for enslavement has arrived. She is Asai Saya, a housewife married for five years. Tonight, we will closely follow her as she faces an unknown experience, trembling with fear yet gradually led toward complete submission. Her emotional turmoil and psychological shifts are vividly portrayed, evoking deep empathy from the viewer. Within this mysterious and tense atmosphere, the story realistically captures the terror of confronting a new existence and the inevitable path toward surrender.