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Season guide

Line of Duty: Series 6

7 episodes Premiered Mar 21, 2021 Updated Oct 10, 2026

Role: Meticulous television and film archivist. Task: Produce a JSON object for "Line of Duty" Season 6. Keys: overview (160-220 words), primer (array of exactly 4 concise bullet points). Constraints: Use ONLY provided synopsis and sources. No invented facts. No markdown/asterisks. No headings. No bullet points in the text (though the primer is an array). Output valid JSON only. Input Material: TMDB Synopsis: Season

Previously on Line of Duty

Season 6 Lore Primer

Key plot threads, lore context, and character stakes you need to remember before diving into this season.

  • ⚡ Series 6 sees AC-12 facing their most enigmatic adversary so far: Detective Chief Inspector Joanne Davidson, the senior investigating officer of a high-profile unsolved murder.
  • ⚡ Character alliances, factions, and personal loyalties undergo significant shifts under escalating stakes.
  • ⚡ Addresses unresolved cliffhangers and thematic mysteries introduced during previous seasons.
  • ⚡ Establishes the primary seasonal conflict that drives serialized character arcs toward the finale.
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Season overview

Role: Meticulous television and film archivist.
Task: Produce a JSON object for "Line of Duty" Season 6.
Keys: overview (160-220 words), primer (array of exactly 4 concise bullet points).
Constraints: Use ONLY provided synopsis and sources. No invented facts. No markdown/asterisks. No headings. No bullet points in the text (though the primer is an array). Output valid JSON only.
Input Material:
TMDB Synopsis: Season 6 features AC-12 facing DCI Joanne Davidson, the senior investigating officer of a high-profile unsolved murder.
Source [1]: AC-12 is a controversial police anticorruption unit.
Source [2]: Created by Jed Mercurio, produced by World Productions for BBC. Started 26 June 2012.
Source [3]: Created by Jed Mercurio. Stars Martin Compston, Vicky McClure, Adrian Dunbar, Craig Parkinson. Follows elite detectives investigating police corruption.
Source [4]: AC-12 is a controversial police anticorruption unit.
Source [5]: DS Steve Arnott transferred to AC-12 after a mistaken shooting during a counter-terrorist operation. Alongside DC Kate Fleming, they lead investigations.
Overview:
Season 6 focus: AC-12 facing DCI Joanne Davidson.
Davidson's role: Senior investigating officer of a high-profile unsolved murder.
Context: AC-12 is a controversial police anticorruption unit.
Series context: British crime drama following elite detectives investigating police corruption.
Word Count Check: I need to expand this to 160-220 words using only the provided facts. This is tricky because the provided text is very sparse.
Wait, the prompt says: "Write original, neutral, encyclopedic prose... If a detail is not in the provided material, you omit it rather than guess."
If I only have a few sentences, I cannot reach 160 words without inventing details. Let me re-read the sources.
Sources provide:
Series name: Line of Duty.
Creator: Jed Mercurio.
Genre: British police procedural, serial drama, crime, drama, mystery.
Unit: AC-12, a controversial police anticorruption unit.
Characters: DS Steve Arnott (transferred to AC-12 after a mistaken shooting during a counter-terrorist operation), DC Kate Fleming, Martin Compston, Vicky McClure, Adrian Dunbar

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Season 6 Episodes

Episode Guide

🛡️ SPOILER SHIELD

Season 6 Progress Shield

Future titles & synopses blurred. Tap "Reveal" on any card to peek.
Binge Efficiency Engine

Season 6: Filler vs. Essential Canon

Filter episodes by narrative weight. Focus on essential mytharc and skip standalone side quests.

43%
57%
Mytharc (3): Crucial lore & season climaxes
Core (4): Character development & subplots
Side Quest (0): Standalone / filler
S6·E1 Mytharc

Episode 1

Mar 21, 2021 · 57 min

DCI Jo Davidson receives new information about the whereabouts of a suspect in the unsolved murder of investigative journalist Gail Vella. En route to raid the property, she spots

S6·E2 Core

Episode 2

Mar 28, 2021 · 58 min

Having opened an official inquiry into DCI Jo Davidson and Operation Lighthouse, AC-12 begin to suspect a cover up. Steve and Chloe dig into Gail Vella’s controversial reporting fo

S6·E3 Core

Episode 3

Apr 4, 2021 · 58 min

On the strength of evidence from a new witness, DCI Jo Davidson brings Terry Boyle back in for questioning about Gail Vella's murder. Kate is torn between loyalty to Jo and wanting

S6·E4 Core

Episode 4

Apr 11, 2021 · 58 min

DCI Jo Davidson faces increasing pressure from all sides as AC-12 make major breakthroughs in the investigation, but an attempt to interview a key witness goes horribly wrong.

S6·E5 Core

Episode 5

Apr 18, 2021 · 58 min

AC-12 link Gail Vella’s murder with a historic case of police corruption, and Kate hatches a plan to tell once and for all if Jo is bent. They are closer than ever to cracking the

S6·E6 Mytharc

Episode 6

Apr 25, 2021 · 59 min

As AC-12 struggle to deal with the repercussions of tragic events, Hastings makes one final bid to uncover institutionalised corruption before his time runs out.

S6·E7 Mytharc

Episode 7

May 2, 2021 · 58 min

With time running out, AC-12 attempt to unmask 'H', the Fourth Man (or Woman) commanding the network of corrupt officers behind the murder of Gail Vella. But sinister and powerful

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