31 talented youngsters are specially hand-picked and trained to become the best idols in the South Korean entertainment industry the world will ever witness in decades. Each and every one of them have burning desires deep inside them to survive this and came out as a champion. They are going to live under one roof for 12 months while going through monthly assessment. Unssatisfying results from the candidates will not be tolerated. Friendships may bloom but most importantly, the enemies that can't be avoided. Before the glorious future promised can be awarded to them, a handful will be eliminated and set aside. They have to fight fiercely for a place in the final battle.