The Long Ballad Season 1 Episode 1
A Game of Cuju
Envoys from the Ashina Tribe comes to Chang'an to meet with Tang Dynasty's Crown Prince Li Jian Cheng to compete in Cuju and discuss their inter-marriage. Li Chang Ge is the Crown Prince's daughter, Princess Yongning. Disguised as a man, she accidentally meets Ashina Sun, prince of Ashina Tribe, and even plays with him in Cuju.