The Iron Empress is a historical drama about the life of Empress Cheonchu, the third ruler of Koryo. She is the granddaughter of Wang Gun, the first emperor of Koryo. She has inherited her grandfather´s vision as well as his Great Spirit. The empress fights to reclaim the land of Koguryo. Her greatest struggle, however, is with herself. Who is she? What does she have to do give up? What does she have to overcome? This is the story of one of the great women leaders in Korea's ancient history.
The drama is about the third empress of the Goryeo era who fought against the Tungustic people of Manchuria in order to achieve their dream of reclaiming their old land.
A big-budget, sweeping historical drama set in the Goryeo era of Korean history, Chae Si Ra takes on the role of Empress Cheonchu, the granddaughter of the first emperor of united Goryeo. Based on the true historical figure, . A warrior queen, Cheonchu is the granddaughter of Wang Gun, the legendary first king of Goryeo. Wishing to protect her lands from outside Chinese forces and the other kingdoms in Korea, she battles alongside her soldiers in support of her brother, King Seongjong. But despite this united front for the good of her country, she wages a personal war against her own brother over the raising of her son, Mokjong. When Seongjong is left heirless, he decides to take his nephew and raise him as his own. Cheonchu struggles to win back her son amidst the wars and political intrigues in the palace. A sweeping epic of the early Goryeo dynasty, Iron Empress depicts a strong woman who is willing to give up love and family for the good of her empire.