One night in Muyun Village, the sky fell into the abyss, and demons slaughtered the village. The god Yin Jili wiped out demons and resurrected the dead with a snap of his fingers, but left behind a "tomb of light and darkness". Orion Shen Du and medical girl Jiang Nian discovered that they were closely related to the secret under the tombstone - the fate of light and darkness was about to crush their ordinary lives.
