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Release date: 07/21/1989 
Popularity: 9 
Original language: CN 
Add to favoritesIn the Line of Duty 4
7AdventureAction
Overview
Two detectives who are up to their necks in trouble and in each other's face, as they try to shut down a drug-trafficking scheme that could be connected with international ties to organized crime. But in the midst of their investigation, innocent immigrant dock worker Luk Wan-Ting gets caught up in the mix when he witnesses the murder of an intelligence operative and is framed for the crime.
Alternative titles
In the Line of Duty IV
Wong Ka Si Sei IV: Sik Gik Sing Yan
Wong gaa si ze IV - Zik gik zing jan
Huáng Jiā Shī Jiě Sì Zhí Jī Zhèng Rén
In the Line of Duty 4: Witness
Le Sens Du Devoir 4, Les Dealers De Hong Kong
In the Line of Duty 4
In.The.Line.Of.Duty.4
Wong ga si je IV: Jik gik jing yan
Production companies
Trailers
Original Home Video Trailer
Eureka Classics Trailer
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