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Season guide

Trial & Retribution: Season 3

2 episodes Premiered Oct 7, 1999 Updated Oct 26, 2026

In the third season of the crime and drama television series Trial and Retribution, fifteen-year-old Cassie Black goes missing while on her paper round in south London. Following an anonymous phone call, the police are led to a boathouse in Putney where they discover her blood-stained jacket and trainers. A formal inquiry is launched into her disappearance. The series, devised and written by Lynda La Plante as a foll

Previously on Trial & Retribution

Season 3 Lore Primer

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

  • ⚡ The series is devised and written by Lynda La Plante as a follow-on from Prime Suspect.
  • ⚡ The narrative follows police detectives in England as they investigate crimes.
  • ⚡ The scope of the procedural includes both the police investigations and the trials that come about as a result.
  • ⚡ The crime and drama series focuses on criminal cases handled by law enforcement.
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Season overview

In the third season of the crime and drama television series Trial and Retribution, fifteen-year-old Cassie Black goes missing while on her paper round in south London. Following an anonymous phone call, the police are led to a boathouse in Putney where they discover her blood-stained jacket and trainers. A formal inquiry is launched into her disappearance. The series, devised and written by Lynda La Plante as a follow-on from Prime Suspect, follows police detectives in England as they investigate crimes and the subsequent trials that arise from them.

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Season 3 Episodes

Episode Guide

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Season 3 Progress Shield

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Season 3: Filler vs. Essential Canon

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

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Mytharc (2): Crucial lore & season climaxes
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Side Quest (0): Standalone / filler
S3·E1 Mytharc

Trial And Retribution III (1)

Oct 7, 1999 · 101 min

A fifteen year old girl goes missing and her blood-stained clothes are found. Det. Supt. Walker heads the investigation into her murder. Meanwhile, D.I. North is sent to see a pers

S3·E2 Mytharc

Trial And Retribution III (2)

Oct 14, 1999 · 95 min

A fifteen year old girl goes missing and her blood-stained clothes are found. Det. Supt. Walker heads the investigation into her murder. Meanwhile, D.I. North is sent to see a pers

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