False gods rise to power, rebellious immortals run amok, and a great calamity looms over the Three Realms. The demon spirits of the Demon Spirit Sect, punished by banishment to the mortal realm, prophesied that the true god would return to their rightful place in a hundred years. Yao Li, sect master of the Demon Spirit Sect, heads to the Half-Beast Sect, once bound to them by kinship but now nearly their enemy, to visit two powerful cultivators who have reached the Mahayana stage and live in seclusion in a thatched hut. A baby is with them.