The company then transfers its own young trainees to circumvent a law requiring underage entertainers to study for a set amount of time.
Competition brews between the troubled students at Kirin High, and the newly transferred Oz Entertainment trainees.
Yoo-jin, who originally got into the entertainment industry as a child actor, is now troubled by his dreams of becoming a rock star as he tries to cope with the pain of his parents' divorce.
Ri-an becomes a Hallyu idol, and Yoo-jin becomes a rock music teacher at Kirin High School by day and a rocker by night.
The rest of the soundtrack will include more beautiful melodies reflecting character stories, struggles and dreams in the drama.