In the late autumn of Bianliang, Mo Heng, a low-ranking craftsman from the Shaofu Prison, took over the ancestral bronze key and stepped into the dusty ruins of the Water Transport Ceremony Platform. Deep in the wreckage, there is a "Tiangong Lock" that connects to the secrets of "Martial Arts Summary", which triggers the treacherous killing plot laid by Xixia spies. When the levers move the power and the gears bite to determine the fate of the country, he joins hands with Shen Kuo's disciple Lin Qingyuan to break the deadlock with the "sand table of clever games" and turn the "magic skills and tricks" into the lifeblood of the water transport. Let's take a look at the legacy of the Mohist family. Between the undercurrents in the court and the iron and wood mechanisms, the cardinal instigated and led thousands of hectares of waves into Bianliang, knocking open the dusty door of the "Ji Qiao Engineering Institute of the Song Dynasty".