Dressed as a seventh-rank minor county magistrate in the Ming Dynasty, Zhou Mu was hit with a shocking case as soon as he took office - the county granary burned down overnight. The prefect ordered to replenish 100,000 stones of military rations within three days, otherwise he would be executed! Unexpectedly, an [Empire Building System] popped up in his mind, and he could unlock the Industrial Revolution of the Ming Dynasty just by completing the novice tasks! Concrete highways, flintlock muskets, steam warships... When everyone was waiting to see him lose his head, Zhou Mu turned around and built a blast furnace for steelmaking, with a daily output of 5,000 kilograms of refined iron. He then established a trading company and earned a monthly income of one hundred thousand taels of silver. Bandits besieging the city? Sanqian Xiangyong carries a breech-loaded gun to teach people how to be a good person; does the powerful make things difficult? Directly launch cutting-edge products to monopolize the entire Jiangnan market. From being impeached to being promoted to three levels in a row, from a remote village to a separatist state - this county magistrate wants to personally rewrite the fate of the Ming Dynasty!