Chen Tianming founded the Anping Army, which had no cavalry but defeated foreigners 72 times, becoming "the best pawn in the world." However, the general was unjustly killed, the army was scattered, and his grandson Chen Mingyu disappeared with his commander's seal.
He and the eldest prince were once known as the "Two Heroes of the Capital" and were close friends and confidants. Now his old friend's leg is disabled, his family feud is still unresolved, and the young commander who has disappeared for twenty years will finally return with his commander's seal to revive the Anping Army and repay the blood debt.