"Imperial Lady, although it is a work of fantasy, is based on an historical incident that has become one of the most beloved of Chinese tales and has served as the inspiration for countless poems and stories: the life of Chao Chun, the concubine who became, first, a princess of the Han dynasty, and, second, the queen of the shan-yu of the Hsiung-nu, the fierce, nomadic people who are, to a great extent, the ancestors of the Huns and Mongols"