At a bullet factory in '30s Shanghai, two detectives investigate a girl's death. But the boss undermines their work, and workers perish mysteriously. Jiang Yiyan, Nicholas Tse, Liu Kai Chi, Hu Gao, Lau Ching Wan, Jing Boran, Wu Gang, Yang Mi, Ching Wan Lau, Mi Yang, Boran Jing, Liu Kai-chi, Lo Chi-leung Added on Amazon Prime 2023-02-10. Youtube Trailer