Tian Di

Tian Di, also known in United Kingdom as Chinese Untouchables, is a 1994 Hong Kong action crime drama film directed by David Lai. Set in the 1920s, the film stars Andy Lau as a Cantonese-born, Nanjing government investigator who has been appointed by the first Commissioner of the opium trade ban. The film was produced by Lau's film company Teamwork Motion Pictures.