Season 4

Season 4
TV Show · Drama · Crime

The critically-acclaimed police corruption drama returns for a thrilling fourth series which sees AC-12 facing their most devious opponent yet! Under pressure from her superiors, DCI Roz Huntley (Thandie Newton) charges a young man with a series of murders after months of fruitless investigation, but is he guilty? The Chief Forensic Investigator (Jason Watkins) has doubts and turns to AC-12. Also starring Adrian Dunbar, Martin Compston and Vicky McClure.

2017 · 1h 25m
Starring Martin Compston, Vicky McClure, Adrian Dunbar
Director Jed Mercurio

Season 1

  • Fahrenheit
    EPISODE 1
    Fahrenheit
    When a counterterrorism raid goes wrong, DS Steve Arnott refuses to join the cover-up. Cut off by colleagues, he transfers to an anti-corruption unit that's investigating one of the force's most respected officers, DCI Tony Gates. A devoted family man, Gates has a secret he wants to keep that way, but one lie may expose him to the greatest risk of his life.
    58 min
  • Lost
    EPISODE 2
    Lost
    Having been duped into covering up a crime committed by Jackie, his mistress, Gates is desperate to conceal any evidence. Suspicions are soon aroused; and a new-hire on the inside, DC Kate Fleming, begins working secretly with Arnott. As the net closes on Gates, he's forced to choose between his marriage and his career, and finds himself plunged into an even more dangerous situation than he thought.
    57 min
  • No Criminal
    EPISODE 3
    No Criminal
    Arnott is convinced Gates played a part in Jackie’s disappearance. With Fleming’s help, the anticorruption team try to trap Gates into revealing his involvement in covering up Jackie’s crimes.
    56 min
  • Shut Out
    EPISODE 4
    Shut Out
    Desperate for proof of Gates’s corruption, Fleming pushes her relationship with him to the limit. But her behaviour causes Morton to question if she might not be such a loyal colleague after all.
    58 min
  • A Better Way
    EPISODE 5
    A Better Way
    With Gates on the run, the anticorruption team come under pressure to close the case once and for all. Arnott is forced to make some tough decisions about where his loyalties lie. Fleming and Hastings go all out to catch Gates, leading to a shattering conclusion.
    57 min
  • The Ambush
    EPISODE 1
    The Ambush
    A brutal ambush on a police convoy leaves three officers dead and a protected witness fighting for his life. AC-12 - Ted, Steve and new recruit Georgia - turn their spotlight on Lindsay the officer who led the convoy but escaped unscathed.
    58 min

Box Sets

  • Line of Duty, Series 1-5
  • Line of Duty, Series 1-4
  • Line of Duty, Series 1-3
  • Line of Duty, Series 1 & 2

Related

  • Criminal Record
  • The Responder
  • Luther
  • The Capture
  • Vigil
  • The Fall
  • Baptiste
  • Prime Suspect
  • Shetland

Cast & Crew

  • Martin Compston
    Steve Arnott
  • Vicky McClure
    Kate Fleming
  • Adrian Dunbar
    Ted Hastings
  • Craig Parkinson
    Matthew "Dot" Cottan
  • Keeley Hawes
    Lindsay Denton
  • Kelly Macdonald
    DCI Jo Davidson
  • Kate Ashfield
    Jools Gates
  • Neil Morrissey
    Actor
  • Lennie James
    Anthony "Tony" Gates
  • Mark Bonnar
    Actor
  • Shalom Brune-Franklin
    DC Chloe Bishop

About

Season 4

Drama

The critically-acclaimed police corruption drama returns for a thrilling fourth series which sees AC-12 facing their most devious opponent yet! Under pressure from her superiors, DCI Roz Huntley (Thandie Newton) charges a young man with a series of murders after months of fruitless investigation, but is he guilty? The Chief Forensic Investigator (Jason Watkins) has doubts and turns to AC-12. Also starring Adrian Dunbar, Martin Compston and Vicky McClure.

Information

Studio
BBC Two
Released
2017
Rated
Caution
Region of Origin
United Kingdom
© World Productions (Northern Ireland) MMXVII.

Languages

Original Audio
English (United Kingdom), English
Audio

English (United Kingdom) (⁨Dolby 5.1⁩, AAC)

Subtitles

English (United States) (CC), Spanish (Latin America)

Accessibility

Closed captions refer to subtitles in available languages with the addition of relevant non-dialogue information.
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Select a country or region

Africa, Middle East, and India

  • Armenia
  • Azerbaijan
  • Bahrain
  • Botswana
  • Brunei Darussalam
  • Cape Verde
  • Egypt
  • Eswatini
  • Gambia
  • Ghana
  • Guinea-Bissau
  • India
  • Israel
  • Jordan
  • Lebanon
  • Mauritius
  • Mozambique
  • Namibia
  • Niger (English)
  • Oman
  • Qatar
  • Saudi Arabia
  • South Africa
  • Sri Lanka
  • Tajikistan
  • Turkmenistan
  • Uganda
  • United Arab Emirates
  • Zimbabwe

Asia Pacific

  • Australia
  • Cambodia
  • Fiji
  • 香港
  • Indonesia (English)
  • 日本
  • Lao People's Democratic Republic
  • 澳門
  • Malaysia (English)
  • Micronesia, Federated States of
  • Mongolia
  • New Zealand
  • Philippines
  • Singapore
  • 대한민국
  • 台灣
  • Thailand
  • Turkmenistan
  • Vietnam

Europe

  • Armenia
  • Österreich
  • Belarus
  • Belgium
  • Bulgaria
  • Cyprus
  • Czechia
  • Denmark
  • Estonia
  • Finland
  • France (Français)
  • Deutschland
  • Greece
  • Hungary
  • Ireland
  • Italia
  • Latvia
  • Lithuania
  • Luxembourg (English)
  • Malta
  • Moldova, Republic Of
  • Nederland
  • Norway
  • Poland
  • Portugal (Português)
  • Россия
  • Slovakia
  • Slovenia
  • España
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  • Schweiz
  • Türkiye (English)
  • Ukraine
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Latin America and the Caribbean

  • Anguilla
  • Antigua and Barbuda
  • Argentina (Español)
  • Bahamas
  • Belize
  • Bermuda
  • Bolivia (Español)
  • Brasil
  • Virgin Islands, British
  • Cayman Islands
  • Chile (Español)
  • Colombia (Español)
  • Costa Rica (Español)
  • Dominica
  • República Dominicana
  • Ecuador (Español)
  • El Salvador (Español)
  • Grenada
  • Guatemala (Español)
  • Honduras (Español)
  • México
  • Nicaragua (Español)
  • Panamá
  • Paraguay (Español)
  • Perú
  • St. Kitts and Nevis
  • Trinidad and Tobago
  • Venezuela (Español)

The United States and Canada

  • Canada (English)
  • Canada (Français)
  • United States
  • Estados Unidos (Español México)