In the early years of the Ming Dynasty, the family of Ding Huaizhi, the Left Censor-in-Chief of the Central Censorate, was exterminated, and only his daughter Ding Chaner escaped. Just as Xiao Changfeng, the chief constable of Taiyuan Prefecture, gradually found out the truth, he was falsely accused of being a traitor by the prefect Duan Shixiang. Xiao Changfeng protected Ding Chaner and embarked on a road of exile.