Li Lin, a doctor of history, once became a son-in-law of a poor family. His family was poor and he was bullied. He originally wanted to use modern knowledge to become a wealthy man, but he was involved in the court situation because of a piece of paper. From a county official to an imperial minister, he improved agricultural tools, founded new schools, fought against powerful families, and reversed the fate of the country. However, when the prosperous age he created with his own hands comes, a final decision about return and responsibility is quietly approaching.
