The protagonist travels to the late Northern Song Dynasty, starting from the Huangzhou countryside on Huainan West Road, struggling to survive at the bottom, using modern knowledge to improve agriculture and water conservancy technology, getting involved in "Huashigang" labor, and starting primitive accumulation. On the road to the imperial examination, he went through ups and downs and debated with Li Gang, sowing the fire of reform. In Bianjing, he designed the "Qingmiao Law 2.0" And participated in the management of the Yellow River, but was hunted down for exposing corruption. Militarily, he improved the divine arm crossbow, trained heavy cavalry, and proposed "land and water coordination" tactics. In the disgrace of Jingkang, he formed the "Eight-Character Army", fought a bloody battle with the Jin Army, rescued Emperor Roufu, and fell in love with her while escaping south. Later, he proclaimed himself emperor in Xiangyang, promulgated the New Deal, established "Martial Arts", implemented the "Main Protection Law", and launched a fierce military and economic competition with the Jin Kingdom and Xixia. During the Shaoxing period, he made a northern expedition to the Jin Kingdom, united with Mongolia to destroy the Jin Dynasty, conquered Xixia, promoted political reforms, convened the Lin'an Council, established a new system, culturally improved printing, and rebuilt academies. In the end, a different Song Dynasty was created.
