In the 70th year since the founding of the People's Republic of China, Emperor Taizu relied on his military exploits to dominate the world, which was passed down to the third emperor Xiao Yuanzhao (reign name "Yuanxi"). The emperor was suspicious in his later years, and the crown prince competed with other princes for the throne. The court was divided into the "Wenzhi faction" (the princeling party), the "martial arts faction" (the second prince's party), and the "neutral and poor family" (who had no affiliation). Xiao Chengyu started from the Chuzhou fiefdom, gradually gathered power, stirred up the three-way game between the prince, the second prince, and the king of Qi, and finally exposed the emperor's "imperial mentality", ascended to the throne, and reformed the bad government