The male lead Li Shangxian, of mysterious origins, lost his father when he was young and his mother passed away early. Though he bears a weighty mission, he has always longed for an ordinary life. To this end, he conceals his name in the great city, leading a wandering and unsettled existence. But a chance incident disrupts his plans and uncovers a mysterious group. As the hidden mastermind steps forward, struggles over life and death, the Dao and the demonic, order and chaos quietly unfold. As the reincarnation of the Celestial Lord of the Dao, how shall he respond?