The drama is based on the historical Dowager Queen Empress Cheonchu of the Goryeo, who fought against the Liao Dynasty in order to achieve her Grandmother's personal dream of reclaiming old lands lost over the years to other associated tribes and countries such as the Khitans and some Jurchens.
She has once worked as a spy in Dongmyeong-Cheonjedan (Hangul: 동명천제단) a group made to defeat Tang and Khitans, pretending that she cannont speak.
During this period the Guiyi Circuit had sent delegations to the Later Tang Dynasty, the Later Jin Dynasty backed by the Liao Dynasty of the Khitans, the Liao Dynasty, the Later Han Dynasty, the Later Zhou Dynasty, and the Northern Song Dynasty.
in 742 to face and defeat the northern threat from Khitans, Xi, Bohai and Heishui Mohe.
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The rising power of the Khitans also threatened the newly established Second Göktürk Empire (682–745) and the khagan Ashina Mochuo, who had supported their rebellion, now asked the Tang Dynasty to be allowed to ally himself to Chinese efforts in exchange for: an imperial marriage for his daughter, adoption as the son of Empress Wu (diplomatic adoption), the return of Turks in Chinese territories (Hexi) and the restoration of Turkish overlordship of the Khitans.
Ancient ethnic tribes such as the Fuyu, the Goguryeo, the Khitans, the Jurchen, the Mongols, the Manchus, and Koreans have left behind cultural artifacts, including Hanzhou, Xinzhou, and the Yehe Tribe Cultural Artifacts .
The bureaucracy system created by Kublai Khan reflected various cultures in the empire, including that of the Han Chinese, Khitans, Jurchens, Mongols and Tibetan Buddhists.