Shim Yeon-ni is bright-crazy-introvert girl. How can introvert and crazy came in one sentence?. I know right it doesn't make sense. But it is Yeon-ni. She like talking, hang-out, gossiping, and all. But, most of her free time she spend alone watching youtube or drama in her room alone. She is a college student that sometime felt so hopeless about her study. And now she is trying to find motivation for it by doing anything she thought may find her motivation back.

Kwon Ji-yong. A K-pop star. Super star. World Star. Star of the Stars. The Golden Boy. Everybody envy him. Everybody want to be him. So cool. So wild. Always humble but unapproachable. So warm but so cold. Big wave of emotion on his every songs. But big wall to seal his own emotion.

How can two person that is so different in almost everything they are and they do cross-path with each other?