In the Line of Duty 4

• Cast: Cynthia Khan, Donnie Yen, Michael Wong, Yuen Yat-Choh, Lisa Chiao Chiao
• Duration: 94 minutes
• Genre: Adventure, Action
• Rating: 6.9/10
• Release Date: 1989-07-21

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.