Yun Jiang was the youngest princess of the Southern Dynasty, and was sent to Beidi by the emperor to make a marriage in exchange for an armistice. The wedding party encountered bandits at Heifeng Ridge, the guards broke up, and Yun Jiang was kidnapped on the mountain. The village was called Changfeng Escort Bureau, but it was actually composed of survivors of the previous dynasty, specializing in robbing caravans and corrupt officials of the former dynasty. The head of the escort, Chu Huaiyuan, was originally a border general of the previous dynasty. The calm analysis impressed Chu Huaiyuan; she took the initiative to use the princess's seal to make it look like she was killed by bandits on the way to the wedding, and she became anonymous from then on; Chu Huaiyuan agreed, and Yun Jiang changed her name to Yun Qi, and stayed in the escort agency as a document; she soon discovered that the escort agency was escorting goods on the surface, but in fact it was secretly rescuing refugees and passing information at the border; Beidi and the pro-envoys delayed leaving, secretly communicating with the powerful official Wei Guogong; Yun Jiangli Using her knowledge of the palace, she deciphered the secret letter and discovered that Duke Wei planned to launch a war on the pretext of the failure of the marriage; she told Chu Huaiyuan the information, and the two began to plot a sabotage plot; someone in the escort agency was suspicious of Yun Jiang's identity, and the deputy escort leader Zhao Heng was an undercover agent of the imperial court; Yun Jiang used clever means to lure the snake out of the hole and uncover the traitor; but Zhao Henglin spread the news before his death, and the imperial court sent troops to surround and suppress the escort agency; Yun Jiang designed to use the terrain and Gunpowder counterattacked the pursuers and saved the stockade; at the same time, Prince Hulu of Beidi came to ask for the life of the married princess; Yunjiang decided to pretend to be a female bandit leader to negotiate with Hulu to delay time; Chu Huaiyuan secretly contacted the old troops and assembled the rebel army; Yunjiang and Chu Huaiyuan developed feelings during many life and death encounters, but no one made it clear; a new crisis emerged, and the Duke of Wei sent a secret envoy to kill Yunjiang and the escort agency; the three border cities were in emergency,
