Chen Yu, a modern city planner, woke up and became a boy from a poor family in the late Eastern Han Dynasty. Oppressed by powerful forces and displaced in troubled times, he relied on modern knowledge to make wine, make salt, improve farm tools, and train new troops. Starting from guarding Xiaoxiaowu Fort, he battled wits and courage with Cao Cao, rescued Guo Jia, captured Xu Huang, and skillfully maneuvered in the Battle of Guandu, and finally took advantage of the situation to conquer Luoyang. He wants to build a new world where people can have enough to eat in this era of cannibalism!