Su Wan, a disciple of the Qingyun Sect, is framed by her fellow disciples and left on the brink of death. By chance, she stumbles into the Ten Thousand Realms Immortal Pawnshop, where she trades ten years of her fortune to clear her name and becomes the apprentice of Shen Yan, the mysterious shopkeeper. The pawnshop handles all kinds of transactions involving karma and fate. People from all walks of life pawn their conscience, lifespan, romantic bonds, and other precious things in exchange for what they desire, but every transaction conceals a cruel backlash. As Su Wan experiences the good and evil of human nature, she undergoes a transformation and awakens a compassionate spiritual constitution. Together with Shen Yan, she confronts the Heavenly Dao and gods and demons from countless realms. The two protect one another as they uncover the ultimate secret behind the pawnshop and the fate of the universe.