her name was im na yeon she was a popular girl in her school every man would fall for her but her eyes is just for one man and his name was mark tuan and mark also really popular in his school..........she not having one side love because mark were confessing his love to her and when she already have him she have to see him with another girl,how this relationship will continue? will nayeon forget him or nayeon will give him another chance ? and who is the girl with mark ? are mark is not truly in love with nayeon ?