In a parallel universe, the Great Chu Dynasty is nearing its end. Bandits ravage the interior, border troubles are constant, and the Northern Di and Western Rong threaten from outside.
The protagonist, Yang Minxiong, is a 21st-century doctor at a naval equipment research institute. After an accident while testing a new electromagnetic armor, his soul transmigrates into the body of Yang Minxiong, a seventeen-year-old boy and the only son of the Yang family, living outside Yingtian Prefecture in the Southern Zhili region of Great Chu. His original parents died young, leaving him and his elder sister A Heng and younger sister A Tang to depend on one another. The family has a few acres of poor farmland and an inherited woodworking shop. Their life is poor but warm.
He uses modern knowledge to overcome the struggle for survival and establish a foundation of power, paving the way for a future industrial revolution. He founds a new dynasty, carries out comprehensive reforms, and brings about the modernization of technology and society. After achieving his goals, he retires from public life, having fulfilled his historical mission, and lives in seclusion overseas with his family and beloved.