Three years into marriage, life is stable and reasonably happy, but her body remains unsatisfied—she has never once been fulfilled by sex with her faithful, hardworking husband. At a friend’s suggestion, she meets a man whose secret social-media account has become notorious. Bondage, blindfolds, neglect play, sex toys, and more awaken a masochistic side she never knew she had. Conquered by these forbidden pleasures, she realizes she can never return to ordinary sex with her husband.