Yui is married to a kind and sincere man who values their marriage, yet she feels unsatisfied in their sex life. Curious and seeking something more, she downloads a dating app. There she meets a man named Sagawa—who shockingly turns out to be her husband’s boss. Using that night as leverage, Sagawa begins blackmailing Yui, exploiting the times when her husband is away to repeatedly force himself on her. Overwhelmed with guilt and fear, Yui can’t bring herself to tell her husband. While her husband remains unaware, Sagawa’s grasp tightens around her. What will Yui do?