Du Yongli

This film is adapted from the well-known story of "The Substitution of the Prince by a Fox", where Bao Gong interrogated Guo Huai at night. The plot is full of twists and turns and unexpected twists and turns. Screenwriters Chang Cheh and Gao Li have incorporated palace intrigue and the chivalrous spirit of the martial arts world into folk legends. The richness of their materials is truly astonishing. The story tells of Bao Gong's inspection tour when a strange wind blew away his black hat