In the turbulent days of the Ming Dynasty, the shadow of the Tumu Crisis had yet to lift, and the defense of Beijing was about to begin. Wei Changguo and Guo Yiping were entrusted with a mission in the hour of crisis, joining forces with Yu Qian and other patriots. At court, they stood against the majority to devise sound strategies; on the battlefield, they organized the troops and prepared to face a powerful enemy. With flames of war raging against the city walls, watch how these heroes turn the tide, revive the Ming Dynasty on the brink of life and death, and change the course of its fate.