Lee Eun Mi  is a very cheerful, beautiful and kind young women but is dating an abusive man. Kim Jong Woon (Yesung) appears in her life the night of her best friends birthday party and his curiosity leads him to want to know more about her. Quickly they become good friends. As the years roll by Mimi (Eun Mi) and Yesung begin to date, they fall in love, become engaged, This is their love story from the beginning to the end.