In order to cut off the shackles of heaven, the god king Yu Jin burned his own godhead with his own hands, but because of this he offended the gods and demons in the heavens and became a rebel who was punished by the three realms. When he fell to the mortal world, he sealed the last divine fire into the spine of the mortal swordsman Yan Zhan. One is a god-killer who is forced to wander, and the other is a mortal carrying the fire that burns the sky. In the pursuit of the sky and the curse of heaven, they must depend on each other and embark on a bloody path that burns away the old order.