This is the story of Catherine Ki Heehyun, a marketing student in her early 20’s who meets the most beautiful girl she has ever seen in the form of Lee Jueun, through a chance encounter at the local bus stop.     

It's been half a year since Chaeyeon broke up with Heehyun and left their tiny little town in order to chase her dreams of becoming an idol. Now Chaeyeon is on TV and is the talk of the town, whereas Heehyun is still struggling with managing her high school life, her annoying friends, and ordering the right flavour of ice cream.