Wei Wuxian, the grand-master who founded the Demonic Sect, roamed the globe in his heinous ways and was despised by millions of people for the mayhem. In the end, he was killed by strong clans that banded together to overpower him after being stabbed by his closest shidi. He takes on the form of a lunatic who was left behind by his clan and is later, against his will, taken away by Lan Wangji, his archenemy and one of the clans 'most well-known cultivators. This marks the beginning of a thrilling yet hilarious journey that includes raising kids, solving mysteries, and taking on monsters. The two men, who hold diametrically opposed ideologies, set out on a quest to decipher the mysteries of the afterlife. The two end up forming a bond that neither of them had ever anticipated after defeating demons, ghost, and even other cultivators.