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Season guide

Line of Duty: Series 2

6 episodes Premiered Feb 12, 2014 Updated Oct 10, 2026

Role: Meticulous television and film archivist. Task: Produce a JSON object for "Line of Duty" Season 2. Keys: overview (160-220 words) and primer (array of exactly 4 concise bullet points). Constraints: Use ONLY provided SYNOPSIS and SOURCES. No invented titles, names, dates, etc. No markdown, no asterisks, no headings, no bullet points (in the prose/text, though the primer is an array). Output valid JSON only. Neut

Previously on Line of Duty

Season 2 Lore Primer

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

  • ⚡ An ambush of a police convoy results in three police officers dead and a protected witness seriously injured.
  • ⚡ 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 2.
Keys: overview (160-220 words) and primer (array of exactly 4 concise bullet points).
Constraints:
Use ONLY provided SYNOPSIS and SOURCES.
No invented titles, names, dates, etc.
No markdown, no asterisks, no headings, no bullet points (in the prose/text, though the primer is an array).
Output valid JSON only.
Neutral, encyclopedic prose.
Word count for overview: 160-220 words.
primer: Exactly 4 concise bullet points (as array elements).
Synopsis: Ambush of a police convoy. Three officers dead, protected witness seriously injured. Sole survivor: DI Lindsay Denton. Deputy Chief Constable Mike Dryden takes personal charge, assigns AC-12 to the case. Denton was initially AC-12's most valuable witness, but suspicion arises that she is the prime suspect. Pursuit of corruption.
Source [4]: DS Steve Arnott transferred to AC-12 (anti-corruption unit) after a mistaken shooting during a counter-terrorist operation. He works alongside DC Kate Fleming.
Overview Construction (Target 160-220 words):
The second season follows the investigation into an ambush involving a police convoy. This incident resulted in the deaths of three police officers and left a protected witness seriously injured. Detective Inspector Lindsay Denton is identified as the sole surviving officer from the convoy. Following the event, Deputy Chief Constable Mike Dryden takes personal charge of the situation and assigns the anti-corruption unit AC-12 to lead the investigation. While Detective Inspector Denton was initially considered the most valuable witness for the AC-12 team, the nature of the investigation shifts as suspicion arises that Denton herself could be the prime suspect in the matter. The narrative focuses on the pursuit of corruption and the efforts of the investigators to uncover the truth behind the ambush. AC-12, which includes Detective Sergeant Steve Arnott and Detective Constable Kate Fleming, must navigate the complexities of the case as they determine the circumstances surrounding the deaths and the potential involvement of police officers. The investigation seeks to determine how far individuals will go in the pursuit of corruption and whether the truth can be revealed through the work of the anti-corruption unit.
Word Count Check (Overview):
"The second season follows the investigation into an ambush involving a police convoy. This incident resulted in the deaths of three police officers and left a protected witness seriously injured. Detective Inspector Lindsay Denton is identified as

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Season 2 Episodes

Episode Guide

🛡️ SPOILER SHIELD

Season 2 Progress Shield

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

Season 2: Filler vs. Essential Canon

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

50%
50%
Mytharc (3): Crucial lore & season climaxes
Core (3): Character development & subplots
Side Quest (0): Standalone / filler
S2·E1 Mytharc

Episode 1

Feb 12, 2014 · 60 min

A brutal ambush on a police convoy leaves three officers dead and a protected witness fighting for his life. AC-12 turn their spotlight on Lindsay Denton, the officer who led the c

S2·E2 Core

Episode 2

Feb 19, 2014 · 60 min

Following the tragedy at the hospital, AC12's Kate Fleming is planted undercover in Lindsay Denton's Missing Persons Unit. But Lindsay in turn gathers compromising evidence against

S2·E3 Core

Episode 3

Feb 26, 2014 · 58 min

Lindsay is denied bail and finds herself targeted in prison. Growing increasingly desperate, she tells Kate about a relationship with an executive police officer and her theory of

S2·E4 Core

Episode 4

Mar 5, 2014 · 60 min

Following the violent attack she suffered in prison, Lindsay is granted special dispensation to visit her dying mother. Meanwhile, deputy chief constable Dryden shrugs off allegati

S2·E5 Mytharc

Episode 5

Mar 12, 2014 · 60 min

Lindsay fights for her life as troubling details emerge of a vicious conspiracy involving corrupt police officers. With growing evidence of links between DCC Dryden and the ambush,

S2·E6 Mytharc

Episode 6

Mar 19, 2014 · 59 min

AC12's investigation finally exposes a vicious criminal gang run from within the police. But while Steve now appears convinced of Lindsay's innocence, Kate remains determined to pr

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