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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.
Sequels and prequels
DNA
Explore similar movies and shows to In the Line of Duty 4 (1989) based on the categories below.
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Organized CrimeUndercover OperationDrug TraffickingWitness ProtectionInnocent Man Framed








Cinematic Style








Crew
Directed by: Yuen Woo-Ping
Written by: Anthony Wong Wing-Fai, Cheung Chi-Sing, Kim Yip Kwong-Kim
Produced by: Stephen Shin Kei-Yin, Dickson Poon Dik-Sang
Composed by: Richard Yuen, Tang Siu-Lam
Cast

Cynthia Khan
Insp Rachel Yeung Lai-Ching

Donnie Yen
Captain Donnie Yan

Michael Wong
Captain Michael Wong

Yuen Yat-Choh
Luk Wan-Ting

Lisa Chiao Chiao
Luk's Mother

Wai Gei-Shun
HK Police Officer

Yuen Shun-Yi
Drug Dealer

Michael Woods
Black Fighter on Rooftop / Motorbike

John Salvitti
Fighter in Alley

Paul Wong Kwan
Killer at Hospital
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