Chen Yuan traveled to a time of drought and famine and became a poor boy with only four walls to live in. In order to repay the debt, he used modern knowledge to build a pressure well and teamed up with Zhang Taoist to start a water bank to solve the drought. He successively developed ingredients such as chicken essence and luncheon meat, opened fast food and beauty stores, and accumulated wealth through innovative business models. Afterwards, he was reinstated as an official and served as a guard of hundreds of households. He repeatedly solved strange cases and arrested spies. He was promoted to deputy 1,000 households step by step. While serving as an official, he expanded his business and made his way in troubled times.