Two years into her marriage, Sana and her older husband still maintain a pure and affectionate relationship. However, lately their intimate life has come to a halt, and Sana begins to sense that something has changed. She recalls sleeping with an ex-lover half a year ago, driven by loneliness during her husband's business trip, and starts questioning their marriage. One day, her husband suggests they undergo sexual counseling. Still deeply in love with him, Sana agrees and heads to the counseling session.