The Secret (1979)

The Secret
Drama, Mystery, Thriller
A tangled murder mystery unfolds amid a complex love triangle. As conflicting witness accounts emerge, the truth about the victim and key suspects is revealed, leading investigators down a dark and twisty path where nothing is as it seems.
Starring
Sylvia Chang, Angie Chiu Nga-Chi, Norman Tsui, Lai Cheuk-Cheuk, Li Hai-Shu, Alex Man, Lo Kwok Hung, Kenneth Tsang, George Lam Tsz-Cheung, Ng Tung
Directed By
Ann Hui