Yun Zheng, a 'cowardly' prince trapped in a hopeless situation, conceals his true brilliance with extraordinary wisdom. He stands firm in the imperial hall, defying powerful forces and outwitting foreign enemies! He upholds the great cause of his nation and swears to clear the names of fallen soldiers. With unwavering sincerity, he vows to defend the lands of Daqian. Yet hidden daggers await him in the court, and Beihuan looms with deadly intent. Commanding merely five hundred household guards, can he unravel earth-shaking conspiracies, turn the tide from defeat, and rise to become king?