After the Later Jin Dynasty conquered the country, it was moved to Mobei by Yelu Deguang, the Lord of Liao Dynasty. His son Shi Yanming was captured by the Liao people and made a slave in the palace due to an accident. During this period, Shi Yanming became acquainted with Khitan Princess Yelu Fengxi and received a lot of care from her. Later, Shi Yanming attempted to assassinate Yelu Ruan, the Lord of Liao, and almost died. Fortunately, Chu Qiufeng rescued him and he worshiped in Biyu Mountain. Soon after, Yelu Ruan died in a palace coup, and Feng Xi also lived among the people...
One is a declining prince, and the other is a princess who has fallen from power. What will be their fate? Under the light of the sword, an unforgettable love and hatred in the world...