In the Line of Duty IV (1989) Subtitles
- Genre(s) : Action , Comedy , Crime
- Country: Hong Kong
- Release year: 1989
- Duration: 1h 34m
- Director(s): Woo-Ping Yuen
- Actors(s): Cynthia Khan, Donnie Yen, Michael Wong
- Trailer : Watch
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Synopsis:
A Hong Kong cop and two American cops are onto a suspected harbor worker and are forced to team up when they discover that the suspect is a witness on the run from CIA agents and their schemers; two corrupt cops.