By a stroke of fate, Li Hao's soul transmigrates into the body of a baby in primitive society. As he slowly grows up, he uses modern knowledge to survive in the harsh prehistoric world and gradually earns the respect of his tribe, eventually becoming its leader. He teaches his people to write and make tools, then leads them in migrating and conquering other tribes, finding and improving crops and promoting agriculture, domesticating animals, inventing tools and weapons, and establishing and refining rules, step by step advancing toward civilization. He battles beasts, domesticates animals, develops irrigation, opens up farmland, searches for and mines ore, forges tools, and builds industry.
