24 parts Complete High school students who go through the pitfalls of changing friendships, growing up, growing closer, growing apart, falling in love and breaking apart.
Lee Suhyun and Bobby have been best friends for years will things change?
Lee Hi can't stand her younger sisters best friend and his annoying group of friends especially that Kim Hanbin. Will unrealized feelings surface?
This story is written in the way the movies Valentines Day, and New Years was filmed. Though it doesn't occur through one day it jumps back and forth between all the interconnected characters.