Since they were little, Na Yoon Jo and Kim Tae Hyung have been best friends. TaeHyung always protect YoonJo in school. One day, TaeHyung begin to fall in love with YoonJo and they've become couple when their in high school. One day, TaeHyung become famous, so does YoonJo. Love affair is going everywhere. Will YoonJo and TaeHyung broke up?