Line of Duty

Season 4 - Series 4 (6 Episodes)

6 Seasons 2017 TV-MA 1h 00m 8.7

The fourth series sees AC-12 facing their most devious opponent yet! Under pressure from her superiors, DCI Roz Huntley charges a young man with a series of murders after months of fruitless investigation, but is he guilty? The Chief Forensic Investigator has doubts and turns to AC-12.

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Season 4 Episodes:

Episode 1 In the Shadow of the Truth

1. In the Shadow of the Truth

Aired: Mar 26, 2017

When DCI Roz Huntley captures a serial killer, Forensic Coordinator Tim Ifiel...

Episode 2 Who Sows the Wind

2. Who Sows the Wind

Aired: Apr 2, 2017

A dismembered body is discovered, and worries grow when Roz fails to report f...

Episode 3 In the Trap

Aired: Apr 9, 2017

As shocking new evidence is unearthed, AC-12 step up their investigation into...

Episode 4 Moral Superiority

4. Moral Superiority

Aired: Apr 16, 2017

The discovery of new forensic anomalies appears to provide AC-12 with a major...

Episode 5 Lying Nest

Aired: Apr 23, 2017

AC-12's future hangs in the balance after Hilton bars them from investigating...

Episode 6 Royal Hunting Ground

6. Royal Hunting Ground

Aired: Apr 30, 2017

AC-12 pit their wits against Roz Huntley in a climactic duel to find Tim Ifie...

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Line of Duty Season 4 - Series 4 Videos

Line of Duty: Series 4 | Trailer - BBC One

Info about Line of Duty

Current Status: Ended

Network: BBC One

Production Country: United Kingdom

Genres: Drama, Crime, Thriller, Mystery

Line of Duty: Where to Watch Online?

Currently you are able to watch "Line of Duty" streaming on Prime Video, Hulu, Peacock Premium, Peacock, fuboTV, Britbox, Acorn TV, Hoopla, Spectrum On Demand or for free with ads on Pluto TV, Tubi TV, Crackle, Popcornflix, Plex, Amazon Freevee, The Roku Channel. It is also possible to rent or buy on Amazon, AppleTV, Google Play, VUDU, YouTube online.