The story tells the story of a collusion between Hong Kong police and criminals in 1973, under the instigation of the British, they embezzled huge profits and poisoned the citizens. The Governor of Hong Kong established the Independent Commission Against Corruption (ICAC).
Is Once Upon a Time in Hong Kong on Netflix? Yes! The movie Once Upon a Time in Hong Kong is now on Netflix in the countries listed below.
| Directing | Wong Jing | Director |
| Directing | Woody Hui Ngai-Ming | Director |
| Writing | Wong Jing | Writer |
| Crew | Chi Shui-Tim | Pyrotechnician |
| Writing | Lui Koon-Nam | Writer |
| Writing | Woody Hui Ngai-Ming | Writer |
| Writing | Ronald Chan Kin-Hung | Writer |
| Production | Wong Jing | Producer |
| Sound | Lowell Lo Koon-Ting | Songs |
| Crew | Philip Ng Wan-Lung | Choreographer |
| Visual Effects | Chan Ho Yin | Visual Effects Coordinator |
| Production | Wong Wing-Man | Assistant Production Manager |
