Hex (1980)
A man who believes that he has murdered his wife, sees her return as a vengeful ghost
Si yiu (1981)
A necrophiliac killer is murdering the prostitutes at Madame Lans brothel
An qu (1983)
Two very different cops are out to capture a local drug boss The two cops go about their job differently, one of them doing everything to the letter of the law and the other not caring and doing whatever it takes to get the job done