After Divorce, The Female General Rules the Realm

Su Ning feigns surrender to kill the Great Chanyu of the Northern Di, but the court mistakes her for a traitor, ordering the Qingyi Guard to execute the Duke of Su's family. Her husband divorces her in response. Upon learning of the deception, the court seals the city and formulates a counterplan. Xiao Tingye secretly frees Wan'er, who reveals the truth to Su Ning. She returns to the capital, executes corrupt officials in the court, and is appointed Grand Marshal of the Nation.