Jiang Yuwang, an antique lover, accidentally traveled to the Luchuan battlefield during the Zhengtong period of Ming Yingzong, and became a guard officer in the Ming Dynasty. Relying on the knowledge of modern people, he started from scratch and developed in Sanxuan and Liuwei, farming in the Indian Ocean. Take control of trade, maneuver in the Ming court, battleships in the Pacific islands, and tanks in the northern desert, step by step change everything on the world line, and finally create a new book.