Shen Yan, a highly educated but frustrated modern man, unexpectedly transmigrates into an unknown dynasty at the end of the world, where he witnesses famine, forced labor, and war devour the people. Casting off the constraints of his past, he takes up modern reason and knowledge as his weapons. Starting with a bowl of relief porridge and a single improvement to farming, he gradually rebuilds institutions and unites the people. Amid the ruins of a collapsing dynasty, he fights to win the common folk a sliver of hope, telling an epic tale of an ordinary man struggling to rewrite his era.