SuBin is the new girl at MyDol academy. Everyone there are talented entertainment trainees and young idols who have already made their debut. At the school there are two rival groups, VIXX and B.A.P, who have made it their mission to be the number one rookie group in the country. SuBin catches their attention with her soulful voice and powerful dance moves. Now SuBin has to make it through the school year while being followed around by the boy groups, threatened by their groupies and manage to debut without any problems.