Case file · Series 23, Episode 1 · Season 23, Episode 1
The Blacktrees Prophecy
A false missile warning sends a survivalist into his bunker, where the apocalypse fails to arrive but murder does.
Verified filming locations
Every filming site currently documented in this Casebook file is listed here. The published evidence does not establish a complete production itinerary.
No exact filming site has been verified in this file yet. Read the research status →
Selected episode credits
The Blacktrees Prophecy cast
These selected cast entries link to their published profiles. They do not include every name shown in the end credits.
Fiona Dolman
Sonita Henry
Holly Aird
Kate Robbins
Chelsea Mather
Nina Wadia
Cayvan Coates
Carly-Sophia Davies
Robert Cavanah
Aran Bell
Tej Obano
Cora Kirk
Pal Aron
The 60-second case card
Should I watch this one?
A prepper community built to survive global catastrophe proves much less prepared for mistrust inside its own village.
- Best for
- Doomsday preppers · Village prophecy · Bunker
- Mood
- Eccentric
- Team
- DCI John Barnaby with DS Jamie Winter
- Spoiler guidance
- Read the premise freely; open the marked sections only after watching. Check the linked provider advisory for further viewing information.
Why it matters
A prepper community built to survive global catastrophe proves much less prepared for mistrust inside its own village.
The Blacktrees Prophecy has shaped local folklore for generations, and Warren Kaine treats it as a practical warning rather than a story. When a hoax alert reports incoming missiles, he races to his bombproof shelter—only to be found dead when his wife arrives to tell him the threat was false.
Insurance, affairs and the membership of the prepper group offer immediate motives. Further deaths make the wording of the prophecy feel increasingly deliberate, while Barnaby and Winter follow a hidden family connection and an older drowning rather than accepting the apparent curse.
Break the seal: reveal the finding
Who was the killer in The Blacktrees Prophecy? (spoiler)
The staged warning, insurance decisions and later deaths conceal a question of parentage rooted in an earlier drowning and the photograph that helps Barnaby reconstruct it.
More episode detailsProduction, cast, deaths and filming information
Credits, context and checked facts
Production and cast
- TV series
- Series 23
- Episode number
- Episode 1
- Written by
- Jeff Povey
- Directed by
- Roberto Bangura
- Listed transmission date(s)
- 12 December 2022 14 April 2024
- Reported filming period
- March–April 2022
- Detective
- DCI John Barnaby
- Partner
- DS Jamie Winter
- Pathologist
- Dr Fleur Perkins · Annette Badland
- Principal setting
- Blacktrees-on-Marsh
- Casebook tone
- Eccentric
Sources accompany the production credits and filming links.
Fictional settings and real filming places are listed separately. No exact building has been identified in the linked filming sources.
Credits and archive connections
- Writer credits8 episodes credited to Jeff Povey
- Director credits4 episodes directed by Roberto Bangura
- Release positionCase 133 of 144
- Story characterEccentric · Doomsday preppers · Village prophecy
- Location evidenceChecked · published source gap
The episode builds its village institution around survivalism: weekly meetings, emergency plans and Warren's private bunker all become part of the mystery.
The current filming-location reference marks this episode's real-world sites as missing, so the Casebook does not guess at the bunker or village exteriors.
Sources for the production file
Published episode chronology and credits ↗Official ITV programme page ↗Filming-location reference index ↗Credits follow the linked chronology. Dates can differ between territories. Consult original credits for story, teleplay and adaptation wording. External synopses may contain spoilers.
The performers behind this case
Core cast
Follow the cast links for full actor and character guides.
Neil Dudgeon
John Barnaby · Detective Chief Inspector- Messiah
- Life of Riley
- The Mrs Bradley Mysteries
Nick Hendrix
Jamie Winter · Detective Sergeant- Black Mirror
- Marcella
- The Crown

Annette Badland
Dr Fleur Perkins · Police pathologist- Ted Lasso
- Doctor Who
- EastEnders
Image credits identify the licence used. No programme publicity stills are reproduced.
Forensic team
Dr Fleur Perkins
- Credit
- Resident pathologist
- Played by
- Annette Badland
Spoiler-controlled deaths
Deaths recorded in this case
4 people die in this case, according to the linked death record.
Break the seal: reveal the list of deaths
- Warren Kaine
Murder · Other recorded death
Performer check- Warren Kaine: Aran Bell
- Guy Burrows
Murder · Vehicle or machinery
Performer check- Guy Burrows: Robert Cavanah
- Randall Salt
Murder · Other recorded death
Performer check- Randall Salt: Pal Aron
- Unnamed young woman
Accidental, natural or other · Drowning · historical or before the main case
Performer check- Unnamed young woman: not listed in the current published cast recordThe historical victim is not named, and no corresponding performer appears in the current published cast record; no identity has been inferred from another character.
Break a second seal: reveal the verified killer
Who was the killer in The Blacktrees Prophecy? (spoiler)
Becky BurrowsBecky killed Warren Kaine by drugging his whisky and overriding the bunker's air supply, killed Guy Burrows after a triggered life raft knocked him down, and killed Randall Salt with a frozen packet of meat. She targeted the three men because they had terrorised her mother Maddy after she feared she carried a contagious virus, then concealed Maddy's suicide and Becky's parentage; Guy and Paige Burrows subsequently raised Becky as their own child.
Verified motive
Becky sought revenge for her biological mother Maddy. Warren, Guy and Randall had terrorised and abandoned Maddy when they believed she carried a contagious virus, after which she died by suicide; Becky targeted all three in the order of the Blacktrees Prophecy after discovering the concealed history and her parentage.
Real place → fictional identity
Where was The Blacktrees Prophecy filmed?
The current episode-by-episode filming reference marks this episode's location information as still missing.
Sources accompany the identified filming places.
Wider filming areas
Places connected to this file
No real filming place is confirmed for this case.
