Heo Youngji and Wang Jackson were best friends in high school. They bickered like children, cared with each other like siblings and sometimes people thought that they were lover, when in fact they didn't. But Youngji, always had a crush on him. Sounds cliche, but that's the reality that she had to hide untill now. After school garduation they still kept in touch although they attended different university in different city, until they were too busy with their own lives. And at that time Youngji decided to forgot about him because of the pain she got just too much, so she never came into school reunion again. It's been four years she living her life without him. She's doing well with her life. But someday, everything changed because of his text and a friend of her that accidentally know him very well.