In 1641 A.D., the deserter Nan Shifang fled from Henan to Datong, and he met Jiang Xuan, the new commander of Datong. In 1644 AD, the seventeenth year of Chongzhen of the Ming Dynasty, Emperor Chongzhen hanged himself from the coal mountain. In 1649 AD, Jiang Huang Datong was anyway. This article is a story that takes place between "Blue Blood Sword" and "The Legend of Deer and Ding", but this story does not have much similarity except for some characters that overlap with the characters in the above two books. It was a chaotic era, the Ming Dynasty was heading for collapse, and the Qing Dynasty began to settle the Central Plains. This is an era of the burst of multiple forces, in the land of China, there are the Ming Dynasty, the Qing Dynasty, the Southern Ming Hongguang, Yongli, Longwu, the peasant army Dashun, Daxi. There are also the Erut Mongols, Khalkha Mongols and Korqin Mongols, which are rarely seen, as well as the northern giant Russia. Overseas, Spain's empire on which the sun never sets is coveting the Ming Maritime Frontier; The Edo shogunate ended the chaos in the archipelago and was preparing to recuperate; The English had landed in India; And the Netherlands, the coachman of the sea, is ready to get involved in Taiwan. This was the era of the great voyage, the last time the Chinese dominated overseas, and Zheng Zhilong and his maritime empire were the real masters of the South China Sea. It was a tragic time that had an important impact on the entire world. The Thirty Years' War broke out in Europe, and the Reformation and the Magna Carta movement in England were brewed. And in China, the Ming and Qing dynasties were iterated and a new dynasty was established. The next such tragic era will be traced back to World War II. It is gratifying that China has survived, and Shanxi has played an important role in both cases. China's history has put its focus on Datong, this small city shoulders the heavy responsibility of China's rise, in the face of impossible tasks, this small city and its people, in the torrent of history, what choice will they make? Let me lead you into this peculiar era, there is no fly camp dog Gou of the Southern Ming Dynasty here, and Hong Chengchou is no longer the main story character. This is the choice of a series of small people, in the trajectory of historical progress, they twisted the gears of historical progress, and made profound changes in the entire history of China and the world. "Struggle in the Remnant Ming", a historical story you haven't read.