Possessed (猛鬼出籠) is a 1983 Hong Kong film directed by David Lai.
After that, the two cops always meet strange things and Hsiao's girl friend is also haunted too.
In order to reduce the fear, the cops employ a Taoist to find out the problem.
After several enchantments, the Taoist discovers the truth: As Hsiao's father was involved in some corruption that led to a death.
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