Five out of ten trainees are confirmed as Treasure 7. The remaining five trainees go against each other in a one-hour competition to earn a spot in the group. Treasure 7's signal song <미쳐가네 (Going Crazy)> is finally revealed! 21 trainees are given the chance to switch positions with Treasure 7 through a special video evaluation, and the judges are BLACKPINK! But the guest judges can only pick 5 trainees. Who will be chosen in the end? What will be the result of Treasure 7's 1:1 matches against the contenders?
