By chance, Su Yan met He Yanqing, a boy who was naturally stupid. When Su Yan began to believe in fate, He Yanqing disappeared from her world. In an accident, Su Yan met Xu Weiran, a confident and sunny young man, who became the Lan Yan she was most grateful to during her school days. But when Su Yan met He Yanqing again, he had already forgotten her and belonged to her. Su Yan still persisted, but discovered a shocking truth. Su Yan, who knew the truth, could not face He Yanqing and ran away. Many years later, when she once again sets foot on this land where too many memories are buried, how should Su Yan face He Yanqing?