Powerful Four (1992)
Original title: 四大探長
Powerful Four is a 1992 Chinese-language crime movie directed by David Lam Tak-Luk, with a running time of 1h 48m. It stars Danny Lee Sau-Yin, Simon Yam and Waise Lee Chi-Hung.
The rise of four semi-corrupt detectives in the Hong Kong police ranks during the late 60's.