Yongjin who is 16 years old, tries to sneak into her favorite all guy band: C.N. Blue. They go to a performing arts school with her. Lots of talents are formed at that school. Their school is called: Seoul Performing Arts High. (A.k.a. SPAH) C.N. Blue is in desperate measures to find a lead singer in time for the Battle of the Bands performance. They are looking for a MALE singer. F.T. Island is looking for