In the Line of Duty 4

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.

Director

Yuen Woo-ping

Created by

Dickson Poon Dik-Sang

Writers

Kim Yip Kwong-kim,Cheung Chi-Sing,Stephen Shin Kei-Yin,Anthony Wong Wing-Fai