A modern young man travels through time to the Great Xia Dynasty, just as devastating snowstorms and a severe famine strike. His greedy relatives exploit his family, their food supplies run out, and everyone is on the brink of starvation. Unwilling to sit back and await death, the protagonist, Li Yang, ventures alone into the deep mountains to hunt for survival. Using his modern knowledge and exceptional courage, he hunts wild beasts, gathers mountain produce, and improves farming methods, gradually building up his family's wealth. First, he breaks free from the harassment of his exploitative relatives and protects his family. He marries the woman he loves, unites his neighbors, and builds up his own power. Rising step by step from a remote mountain village, he takes on local tyrants and corrupt officials, wages wars across the land amid the chaos, and ultimately claims the throne, becoming the First King of Daxia.