Qing Xuan, a divine guardian who oversees the ascension of cultivators, has spent ages severing worldly attachments in the name of the Heavenly Dao. But when a plum blossom demon refuses to give up love for immortality, he begins to question everything he believes. Choosing to descend into the mortal realm, Qing Xuan embarks on a centuries-long journey of cultivation, redemption, and self-discovery.