It tells the story of Liu Qi, a college student who traveled to Fuzhou during the Chongzhen period and relied on his medical knowledge and institutional foresight to save people during the plague. He led immigrants to Southeast Asia, established the "New Fuzhou" base, gradually developed the shipbuilding and steam industries, integrated the Zheng Navy, and established a federal system with the Constitution as the core. Promote the growth of the overseas Chinese homeland, and finally use the Northern Expedition to drive out the Qing Dynasty and return the capital to the Central Plains, completing the foundation of civilization from wandering immigrants to a maritime power. The whole book runs through the spirit of rejuvenating the country through science and technology, establishing the country under the rule of law, and pioneering the ocean. It is a magnificent story that spans a century.