Ji Seung Yeon dreams of becoming a hip-hop legend and unexpected events set her on the path to achieve just that, although there is an added obstacle - she has to dress up as a boy in order to join a male idol group. In the process, she meets Kang Woo Hyun, the leader of the popular idol group, M2, who captivates fans with a killer smile that masks his rude and selfish personality.
