Jiang Heng was transformed into the daughter of a guilty minister and was escorted to exile in the North, where she saved a crazy beggar who was covered in wounds. Unexpectedly, that person was actually Xie Linyuan, the former prince who was hunted down by the deposed emperor. She wanted to overturn the Jiang family's case, and he wanted to regain the country. The two went from testing each other to planning side by side. Cui Lingyi used the law to break the situation, Han Jibai secretly protected the master, and Pei Zhaoye, the chief of the Northern Territory, regarded them as prey. At the end of the exile, there is not only thousands of miles of wind and snow, but also a chess game that changes the dynasty.