Two girls disguise themselves as boys at a top all boys school, KangSeok International High School. Bang Riley and Soo HyeMi, two normal high school students, decide to add some adventure into their lives by taking drastic measures. Riley and HyeMi choose to rebel against their families and trade their luxury wardrobe in for uniforms.  Riley chooses to go to KangSeok International after hearing that JongUp, her brother's friend, has stopped all activity with top idol group B.A.P. HyeMi, who has been forced by Riley to also attend KangSeok International, finds her own reasons to why she needed to attend shortly after arriving. HyeMi finds that there is a lot to learn from the talented teachers, hoping to become one of the top idols in Korea. There are many obstacles that challenge their ability to keep attending KangSeok International. Are they able to keep their identity hidden until they have accomplished what they have came for?