Li Xuange, the border guard of the Tang Dynasty, disobeyed orders and stayed at Tielao Pass. He controlled the evil spirit with martial arts will and pioneered the way of a humane military leader. He joins hands with Kunlun fairy Ji Yunhuang, Mohist organ master Meng Zhan, and Chiyou descendant Su Jiuer to end the five thousand years of netherworld calamity, establish a humane academy, and protect all people in the world.