Li Xiang, a modern business wizard, accidentally traveled to the Hongwu period of the Ming Dynasty and became Li Wenzhong, Empress Ma's only nephew. At the beginning, he faced the crisis of Zhu Yuanzhang's suspicion and the exclusion of courtiers. With the "business deduction" ability and previous life financial knowledge given by the system, he used "making money" as the breaking point to gradually accumulate power, from salt and iron reform to overseas trade. After going through turmoils such as the Hu Weiyong case and the Kongyin case, he skillfully dealt with the emperor's intentions, and finally helped Zhu Biao stabilize his position as the crown prince, create a prosperous business era in the Ming Dynasty, and become a legend of powerful businessmen.