It starts off with high school classmates Chen Xiao and Jiang Chen who are also neighbors. Xiao Xi, a cheerful girl who doesn't study much, is expressive about her admiration towards Jiang Chen, the popular guy known for his looks and high grades. Together with their fellow classmates the funny Lu Yang, athletic but loyal Jingjing, and cool swimming team member Wu Bo Song, they embark on high school life to universityuntil their adult life.