Qu mo jing cha (1990) on Netflix

A former Hong Kong cop, knowledgeable in wizardry and witchcraft, returns to the city to claim the body of a village girl, suspected to be involved in a drug ring and apparently killed while evading the police. He decides to join two detectives assigned to the case after discovering that the girl had died seven days prior to the police chase. Soon, it was discovered that the drug ring and the girl's death involves a Japanese drug lord who practices black magic.