In Bianjing of the Northern Song Dynasty, high imitation Jiaozi entered the market, causing a financial panic. Li Mingyuan, who is proficient in criminal justice, was ordered to investigate and found that all clues pointed to Zhou Bangyan, the elegant and rich man. However, behind this major counterfeit money case is not simple greed, but a paranoid revenge carefully designed by a talented craftsman to overturn a decade of injustice. Li Mingyuan must make a choice between truth and order, and protect the true weight of the word "credibility."