A few years after the Anshi Rebellion, Tang dynasty military commander Gao Shi suffers a defeat in a battle threatening Chang'an. Trapped in the besieged city, he recalls his lifelong friendship with the acclaimed poet Li Bai.
Fifteen hundred years after the war of gods, the heaven declined. Yang Jian, the God of Erlang, made a living by working as a catcher. One day, Yang Jian was ordered to hunt down a young man, his own nephew.