A lifelike stone tree, which bears mysterious fruits, connects the world after the extinction of human beings. A self-willed and depraved protagonist, who wakes up once and gets a life-changing reversal. Li Jingyin, an environmental inspector of the third squadron of the Environmental Protection Bureau Investigating pollution-related enterprises fell into the Kyushu River in distress, broke into a mysterious and unknown world, and the unchanging life changed because of this. If you can’t disturb the world, you can save the country with curves. Who said that agriculture, forestry, fishery and animal husbandry are not environmental protection businesses. Fish that eat sewage and fertilizers, Fast trees that purify soil pollution, super rice that improves the environment, Lijing's agriculture, forestry and fishery develop in an all-round way, and eventually become the supreme landowner.