When are spring flowers and autumn moon? How much do you know about the past... How much sorrow can you have? It's just like a river of spring water flowing eastward. Song Haoran, a modern Chinese college student, traveled to the Southern Tang Dynasty and was reborn as the later master Li Yu. Can he change his destiny against the will of heaven, avoid the fate of being poisoned, and rise to the top of the Five Dynasties? Drunk and lying on the lap of a beautiful woman, chatting and laughing among the mountains and rivers.