INTRODUCTION

Moon Junhui, popularly known as Jun, is a band member of a group called
Seventeen, still carries the memories of his first love, Yerin.

Kim Soo-min, a single mother lives with her daughter, Eunsoo. She finds her peace in the music and make up.

Fate happens to play it's role as Soo-min's company collaborates with Pledis, causing her to work with them.

Can Junhui let go of the past? Will Soomin heal his heart?