In a society that favors good looks, a high school outcast leads a double life switching between his two bodies that are polar opposites in appearance.
Pyeon Deok-hwa considers performing at the school festival, while others in his class relentlessly try to trample on his dream of becoming a rap artist.
Competition heats up backstage on the day of the festival. Hyeong-seok and Deok-hwa leave their past and fears behind to deliver a song from the heart.