During the Chenghua period of the Ming Dynasty, in Suning County, Jiangnan, bandits were rampant in the countryside, and the officers and soldiers were helpless. The magistrates changed one after another, and the people suffered terribly. The protagonist, Lin Ping'an, travels back in time to become a poor scholar who just became a scholar. His family is poor and he is ridiculed by the people in the county for "studying for reading." Accidentally activating the "Infrastructure Enemy Search Panel" - as long as he presides over the construction of roads, bridges, water conservancy and other infrastructure projects, the system will display detailed information on the movements of enemy forces in the area, and the scope will expand as the scale of the project expands.
