Long, the chief fictional character, spend his young person roll with his three best friend from high school. With the outgrowth of a adult female, Dongdong, whom they all fall in love with, their friendly relationship get down to frazzle. One day, Dongdong all of a sudden disappear in an equivocal state of affairs, and the friendly relationship end. After many old age, the friend sports meeting once again. nevertheless, merely as young person can not return, they can merely corroborate that their friendly relationship can not be restore.