As a trainee for Pledis, Seolhyun has always had it hard. She's been there from the very beginning, training the longest of all of them. Finally their debut is coming up and she wants nothing more than to make it together with her teammates. First she needs to tackle the problem of boys and the ban on dating in her company. Before she debuts, someone she knows calls her up again. Wonho is her childhood friend, to whom she can talk about this life and all the hardships it brought, but first she needs to trust him again. But what happens when that friendship gets to another level?