During these chaotic times, demons and monsters roam freely while treacherous officials hold power. Following the Netherworld's invasion, both humans and Netherworld beings wreak havoc on the mortal realm, and wild gods serving the Netherworld bully the common people. Enraged, Xu Ying, a snake-catcher, rebels and commits the sin of killing a god, as well as taking out an incompetent court official. Hunted by both realms, his flight begins...