You and Yesung are childhood friends. You promised to be together till the end. But one day, Yesung was chosen to be one of the member of the famous boy band in Seoul (Super Junior). Before your parting, you swear that you'll keep in touch and will not forget each other. After long years of not seeing him, you decided to follow him in Seoul. However, he forgot about you. What will you do? Will you still hope that he'll remeber you? Will you ever have a chance to tell him you love him?