In the Line of Duty 4
Two cops are up to their necks in difficulty and in each other's faces as they try to put an end to a drug-trafficking ring with international ties to organized crime. However, throughout the course of their inquiry, Luk Wan-Ting, an innocent immigrant dock worker, becomes entangled when he witnesses the murder of an intelligence operator and is falsely accused.
Released: 1989-07-21