Plot: In the sixth year of Baoyou, the Mongol army pressed the border, and Fan Chengshun general Zhang Tianshun saved the people of Fancheng, handed over the yellow dragon sword containing the anti-yuan roster to the partial general Fan Guoxing, and then killed himself, so that Guoxing sent his head to surrender the enemy. Since then, Guoxing has been known as a traitor, and his son Fan Qiu was born in the countryside and lived incognito, and many years later he was discovered by Mrs