Xu Lang, who had pretended to be crazy for ten years, awakened to the "boasts come true" system after being discharged from the hospital. Possessing the "Mysterious Art of Asking the Sky", he set up a fortune-telling stall and accidentally uncovered the truth about his parents being killed by the Black Lotus Society. With his systematic and metaphysical skills, he repeatedly solved strange cases and outsmarted gangsters. He met Tang Sining, the daughter of the Tang Group, and detective Qin Ming. In the process of accumulating merit and points, he gradually approached the core of the Black Lotus Society and embarked on a road of revenge that was both funny and passionate.
