Li Yangui, son of Song Ministry of War official Li Shou, was engaged from childhood to Huang Guiying, daughter of Huang Zhang, Vice Minister of Rites. After Li Shou was framed, his household seized and thrown into prison, Huang Zhang sought to cancel the marriage and set up Li Yangui. Ai Qian, a virtuous horse dealer, rode the Flame Steed nonstop to carry word to the border, and Li Yangui was saved at last.
