Lin Yuan, a poor scholar whose family was divorced and whose family was divorced, unexpectedly awakened the "eye of practical application" that can see through the essence of things and deduce the optimal solution. From the provincial exam to the gold medal, he was sent to the country's poorest and most chaotic "Three No Matters" county. Faced with tyrants, banditry, and thousands of hungry people waiting for food, Lin Yuan used his pen as a knife and put the people first, and gradually built a "hell model" of barren mountains and rivers into a "land of paradise" that shocked both the government and the public!