Background of the times: Dayong, an imaginary dynasty, has been in existence for hundreds of years, facing internal and external troubles. The central imperial power was weakening, vassal towns were segregated, and aristocratic families were in power; the eight tribes of Shuofang tribes in the north were raiding the south for years; the Qiang and Hu tribes were in chaos in the west; Japanese pirates were nuisances along the southeast coast; the world was in turmoil and war broke out.
Protagonist setting: Shen Ce, a retired soldier of a modern army reconnaissance company, is proficient in tactical command, individual combat, logistics coordination, and battlefield first aid. He has a calm and decisive personality, decisive killing, and attaches great importance to love and justice. He has no exaggerated golden fingers and relies only on modern military thinking and actual combat experience.
Time-travel start: Time-travel and become a soldier in the Yunzhou border army in the Northern Territory of Great Yong. He was originally a refugee who was forcibly recruited. He was weak and sick. He had just experienced a defeat and was trapped in the rebellious army. He narrowly escaped death.
The main line of the story: starting from a desperate soldier, gathering defeated troops, training and strengthening the army, defending the homeland against the enemy, quelling border troubles, rectifying military affairs, checking and balancing power, and finally becoming the commander-in-chief of the northern border, protecting the home and country, forging an iron-blooded military spirit, and quelling the war in the world.