It all happens in the SM private academy. This school accepts only the students that have more than 80 % in every subject. It also insists on dancing,  rapping and singing. Two of the students, Baekhyun and Luhan, that are currently in the singing section, are madly in love with two other students named Chanyeol and Sehun...oh, that's right, they are gay. The problem is that Chanyeol and Sehun are in the most popular group of the school called EXO. What will happened if they're love is returned....