A Change of Destiny

Watch this if you're interested in Khitan culture.

Both dramas depict the relationship between the Han and the Khitans, and cross-culture romance, but in different countries. One takes place in Song Dynasty, while the other takes place in Liao Dynasty.

Both dramas contain Khitan characters and show ethnic conflicts/tensions between Liao Dynasty and Song Dynasty.

Both dramas are set during the Song Dynasty and prominently feature Khitan characters from the Liao Dynasty.