Li Qingshan, a modern PhD in agricultural science, arrives in a feudal world ravaged by years of severe drought and social collapse, where he becomes a poor farmer in Taoyuan Village. Using his modern knowledge of farming and animal husbandry, he gradually builds up the resources needed to survive. First, he makes amends for how he treated his wife, Li Yueniang. Then he recruits displaced refugees, drives out bandits, and establishes Taoyuan Village. By providing food and water, he wins the people's hearts and leads the villagers toward prosperity.