Modern girl Mangguo accidentally transmigrates into the cultivation world, unexpectedly turning into a Pomeranian. On the night of her sect's massacre, she rescues the infant Jiang Wujin, who bears both righteous and demonic meridians and is blind from birth. Years later, Jiang Wujin grows into a cold, powerful blind demon lord obsessed with finding his white moonlight, only to get entangled with Mangguo once more by a twist of fate. Pulled into the conflicts between the righteous and demonic factions, human and dog embark on a hilarious, twist-filled romance filled with hidden tenderness.