A doctor suspects black magic on his hospital after experiencing some bizarre incidents and sends for two doctors (who are a couple) from Hong Kong. The wife is very skeptical and places volunteer for a spell. It became obvious that here is an evil wizard who stay young by including drinking human breast milk. A Shaw Brothers production.

The Hong Kong super-cop must stop a group of blackmailing bombers at the same time that the villains of the first Police Story are out for revenge.