In the chaotic times, demons and monsters roam freely, and treacherous officials are in power. With the invasion of the Netherworld, both humans and Netherworld beings wreak havoc on the mortal world, and the wild gods who work for the Netherworld bully the common people. Enraged, Xu Ying, a snake-catcher, rebels and commits the sin of killing a god, and also takes out an incompetent court official. Hunted down by the two realms, his fleeing begins...