Police officers Li Fangzhong, Tie He, and others risk their lives to fight against the leader of the grave robbing gang called Ancestor. Capturing the leader and wiping out the entire gang, the national treasures and cultural relics are recovered and protected. (With the background of Hongshan culture, based on the first major grave-robbing case beyond the pass by Yao Yuzhong, the grave-robbing grandmaster)
