When she is selected to be a trainee under JYP, she feels closer to her dream, the one thing she has been wishing for so long, but, when shes forced on a debuted group to replace a leaving member, that one and only dream becomes her nightmare. 

Minseok and Valerie faced school and life together, so when he suddenly dissappears with no goodbyes, he not only changes her life, but the life of the unborn baby he wasnt aware of. 5 years later, life gives her the chance of facing the one that got away, one more time...