The storyline follows a love triangle involving you, Heeseung, and Sunghoon Park. Heeseung, the older brother, and you share a passionate relationship, but Sunghoon, resentful of Heeseung's perceived favoritism, sets out to seduce you. His plan succeeds, leading to a tumultuous affair. However, as Heeseung realizes his mistakes and convinces you to move away, Sunghoon's determination to win you back intensifies. Years later, fate reunites you with Sunghoon, who makes a grand proposal.