Watch Movie In the Line of Duty IV on 123movies

In the Line of Duty IV

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 mist 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. After escaping police custody and after his friend is brutally killed by hired assassins in search of a film negative that Luk lost, he has no choice but to return to Hong Kong until the heat cools off. Donny and Penny Yeung are called in to extradite him with the aid of Captain Michael. Penny believes that Luk is innocent and tries to do everything in her power to help him, while Donny who is skeptical about Luk's innocence, thinks he's guilty and does his best to snap the cuffs on him. As the two do more investigating, they learn that the drug cartel could have connections with rogue C.I.A. ...

Starring:

Cynthia Khan , Donnie Yen , Michael Wong , Yat Chor Yuen , Kai Chi Liu , Chiao Chiao , Shun-Yee Yuen , Blaine Lamoureux , Gei Shun Wai , Michael Woods , Stephan Berwick , John Salvitti , Siu Cheung , Wing Cho , Farid Dordar

Genre:

Action, Comedy, Crime



Trailer

Legal and Safe Ways to Watch In the Line of Duty IV

If you're looking to stream In the Line of Duty IV through trusted and legitimate sources, there are several legal options available depending on your location and preferences. For those with subscriptions, major platforms like Netflix, Disney+, Amazon Prime Video, Apple TV+, and HBO Max (availability may vary by region) often include superhero classics like In the Line of Duty IV in their rotating libraries. Regional services such as Viu may also offer access depending on licensing agreements.

Prefer to stream without a subscription? You can check out ad-supported platforms like Tubi, Pluto TV, Crackle, or Peacock, where available. These services allow free viewing with occasional ads and are fully licensed.

If you’d rather own or rent a copy, digital storefronts such as Google Play Movies, Apple iTunes, and Amazon Video offer In the Line of Duty IV for individual purchase or rental, often in HD or 4K quality.

Additionally, don’t overlook library-based services like Kanopy and Hoopla, which allow free streaming for users with participating library cards or university accounts. Lastly, some film studios and official distributors occasionally upload full movies to their YouTube channels, giving you a legal way to enjoy classic titles directly from the source.


Similar

Dive into the world of heroes and epic adventure by watching In the Line of Duty IV online completely free at Movies123—your trusted source for high-quality, hassle-free streaming. This fan-favorite action-packed sci-fi classic is available to stream in crisp HD and includes English subtitles to enhance your viewing experience. Whether you're eager to watch immediately or prefer to download and enjoy it later offline, Movies123 gives you total flexibility with its intuitive, user-friendly platform.

There are no accounts to create, no subscriptions to manage, and absolutely no hidden charges. Just click and start watching—fast, easy, and secure. From smooth playback to excellent video clarity, In the Line of Duty IV is just a few taps away from being part of your movie night. Skip the wait and join millions of viewers already enjoying their favorite films without limits. Start watching In the Line of Duty IV today—completely free and on your own terms.