Xia Luoluo grew up alongside Han Guangyin, the boy next door. They secretly harbored feelings for each other, but when they were ten, an unexpected incident made them vanish from each other’s lives completely. Years later, a boy named Han Guangyin transfers into Xia Luoluo’s class. He is also the boyfriend of her best friend, Xu Moyan, but this Han Guangyin looks nothing like the boy she remembers... What happened?
