Blood runs through the border villages of Liaodong. Commander Zhao Fu severs a finger to prove his resolve and sends a blood-written battle banner racing eight hundred li to the capital. At court, calls for peace grow deafening. Dong Shan, the Jianzhou chieftain, exploits the pretext of paying tribute to swagger through the capital and repeatedly challenge the limits of the Ming dynasty. Emperor Chenghua, Zhu Jianshen, withstands pressure from the entire court and resolutely decides to send troops, setting the Chenghua campaign to annihilate the Jurchens in motion. Fifty thousand Ming imperial troops march through snow into the mountains and forests of the northeast, while orders are also sent to Joseon to join the campaign. Deep in the snow-covered mountains, firearms clash fiercely with curved blades. As the army advances into perilous terrain, the road ahead remains shrouded in mist. Where will this bloody battle on the northern frontier ultimately lead?