Year: 1989
Runtime: 94 mins
Language: Cantonese
Director: Yuen Woo-Ping
Two hard‑pressed detectives constantly at odds find themselves trying to dismantle a drug‑trafficking operation that may be linked to an international organized‑crime network. Their investigation draws in immigrant dock worker Luk Wan‑Ting, who witnesses the murder of an intelligence operative, is falsely implicated, and must fight to clear his name.
We’re working on a full plot summary and ending explanation for In the Line of Duty 4 (1989). Check back soon—or request it now to help us prioritize it.
Don't stop at just watching — explore In the Line of Duty 4 in full detail. From the complete plot summary and scene-by-scene timeline to character breakdowns, thematic analysis, and a deep dive into the ending — every page helps you truly understand what In the Line of Duty 4 is all about. Plus, discover what's next after the movie.
Track the full timeline of In the Line of Duty 4 with every major event arranged chronologically. Perfect for decoding non-linear storytelling, flashbacks, or parallel narratives with a clear scene-by-scene breakdown.