Valley of the Hungry Wolf Mandarin

The loyal minister Song Yuan was framed and imprisoned by the traitorous Prime Minister Jia Shoudao. He can only go to Beijing with the "iron coupon" given by the late emperor to redress his injustice. Jia Shoudao sent Jin Yiwei Gao Sixian (played by Wang Xia) to search for the iron coupons in order to put Song Yuan to death; Song's wife and daughter Song Jie (played by Li Jing) hid the "death-free iron coupons" in a pipa and sang and sang along the way. The scoundrel Wu San (played by Wei Ping'ao) learns the true identities of the Song family and his daughter, and wants to use them to exchange for high-ranking officials and high salaries, so he lures Gao Sixian. In the chaos, the "death-free iron coupon" is made in the brick, but no one knows...