"Old Nine Gates" is a TV series filmed in China in 2016 about tomb robbery and the war of aggression against China. It was released on July 4, 2020. The film has a total of 48 episodes, and each episode is about 45 minutes long. Another name of the film is the prequel of the Tomb Raiders Notes. The specific genre is about adventure, action, Suspenseful, the main plot is about Japan's full-scale war of aggression against China, Changsha's undefended customs, and the cooperation with the old nine gates to resist the Japanese army
The film tells the story of nine families guarding Changsha during the period of the Republic of China. The family has always been very stable and harmonious in Changsha. Almost all the things fished out of the ground have to go through the nine big families before they can be sold. In 1933, a mysterious train gradually entered the Changsha Railway Station. At this time, Zhang Da Fo Ye and Baye went to explore the secrets of the train together, but they unexpectedly involved a greater hidden danger, which also made Lao Jiumen stand together again to resist the Japanese.