The story revolves around a troubled relationship between Reia and her husband, Soobin. Reia's discovery of suspicious messages on Soobin's phone and his distant behavior had led her to leave their apartment. She sought solace by going to Soobin's old dorm. Soobin, realizing the gravity of the situation, followed her and admitted to a one-time kiss with a classmate named Chae-Young. Reia, torn between love and betrayal, demanded honesty and transparency. Soobin, deeply regretful, expressed his commitment to rebuilding their trust and suggested couples counseling, cutting off contact with Chae-Young, and complete transparency. After a heartfelt conversation, Reia decided to give their relationship a chance to heal, acknowledging the difficult path ahead. They returned to their apartment with the determination to work through their issues and rebuild the trust that had been shattered by Soobin's infidelity.