Although her husband's infidelity was his own fault, Miwa Yamamoto found herself drawn to the man who came to fix the bathroom, giving in to his advances. As she grew more sensual, she had previously tied her husband with a crotch rope to prevent his cheating, restricting his movements. However, the rope was cut with scissors, exposing the truth of his affair. Now, night after night, she is forced to endure various torments—rope punishments, spread-leg humiliation while blindfolded, seiza bondage—and more. Her suffering and passion are vividly portrayed.