14 contestants audition to compete in Born To Be Y, a program that searches for the best couple of the year to work together on a giant project.

"When different people, different places, different feelings must come and live together. Various stories emerge and a lot happened. It can't be stopped!" Inside the house, there are 4 seniors in the entertainment industry as coaches and mentors, and there are 4 local "Teen Idol" Trainees from the label who are there to help each other.