Director: Tsui Hark

　　Starring: Zhang Hanyu / Liang Jiahui / Lin Gengxin / Yu Nan / Tong Liya

　　Country/Region：China

　　Synopsis：

　　In the winter of 1947, in order to seize the distribution map of the tens of thousands of advance troops that control Northeast Jiuling from the bandits, Shao Jianbo, captain of the 203 Squad of the Northeast Democratic Allied Forces, appoints investigator Yang Zirong to sneak into the largest bandit hill "Tiger Mountain". Yang Zirong wins appreciation of the bandit leader, Zuo Shandiao, and the eight men under him. He is named the "Ninth" of the Tiger Mountain. Zuo Shandiao is a suspicious man, and has sent people to test Yang Zirong many times. Yang Zirong, while dealing with the bandits, is involved in the danger of sending intelligence to his comrades in the mountain. Before the first wave is settled, another wave rushes in. The bandit liaison who’s captured by the 203 Squad takes advantage of chaos and escapes. Knowing the details of Yang Zirong's undercover, he shows up in the Tiger Bastille to confront Yang Zirong. Yang Zirong is caught in a complete crisis...