A modern-day civil service exam instructor from Shandong transmigrates into the body of a powerful senior official in the Great Xia Dynasty. After crushing the court officials with modern civil service aptitude and essay-writing techniques, he is sent by the emperor to the Imperial Academy. There, he transforms rigorous civil servant training into an ambitious national infrastructure project, relentlessly whipping four eccentric princes into shape. This hilarious underdog comeback story ultimately leads him to the pinnacle of power and earns him the title of Imperial Preceptor.