Sara Yurikawa, a nurse working at a general hospital, is engaged to her boyfriend who has been selected as the next hospital director, and their personal and professional lives are progressing smoothly. Dr. Matsui, a physician who harbors feelings for her, conspires with a patient to blackmail her. Wanting to avoid a scandal, Sara gives in to their demands, resulting in her hands being bound and rendered unable to resist. She is then forced into sexual acts using her mouth, anus, breasts, and buttocks. How she copes with this situation and how events unfold will keep viewers fully engaged.