Jiang Zhaoxue dressed up as the bride of a border town general, but on her wedding night she received the sad news that her husband Pei Xiao had died in battle. She put on her wedding dress and took over the military talisman, and used modern explosives to blow up the enemy camp, vowing to find out the traitor behind the defeat. Grain officer Zhao Huaijin traced the army rations for her, maid Yun Niang sneaked into enemy territory to find people, and Beidi protégé Xie Wujiu was ordered to approach her. The two went from testing each other to defending the city side by side, and finally discovered that the deadlock involved powerful officials from the two countries and a larger mutiny.
