Case file · Series 21, Episode 3 · Season 21, Episode 3
The Sting of Death
The theft of prized bees at Apley Court precedes a doctor's death by stinging and exposes a carefully marketed miracle cure.
The 60-second case card
Should I watch this one?
Honey, venom therapy and an historic estate give the episode a coherent world in which commerce and belief feed each other.
- Best for
- Beekeeping · Apley Gold · Health claims
- 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
Honey, venom therapy and an historic estate give the episode a coherent world in which commerce and belief feed each other.
Ambrose Deddington credits Apley Gold honey and bee-venom treatment with helping him survive serious illness. When thieves target the estate's historic hives and injure him, the value of the bees—and the claims made about their products—comes under police scrutiny.
Local doctor Serena Lowe is subsequently killed using the very insects around which Apley's reputation has been built. Barnaby and Winter examine the household, neighbouring businesses and a previous event that changed several of the relationships now surrounding the estate.
Break the seal: reveal the finding
Who was the killer in The Sting of Death? (spoiler)
The present crimes are a reckoning for an earlier event, and the celebrated products of Apley Court become both the murderer's language and the route to the truth.
More episode detailsProduction, cast, deaths and filming information
Credits, context and checked facts
Production and cast
- TV series
- Series 21
- Episode number
- Episode 3
- Written by
- Julia Gilbert
- Directed by
- Matt Carter
- Listed transmission date(s)
- 18 December 2019 21 March 2021
- Reported filming period
- April–May 2019
- Detective
- DCI John Barnaby
- Partner
- DS Jamie Winter
- Pathologist
- Dr Fleur Perkins · Annette Badland
- Principal setting
- Granville Norton
- Casebook tone
- Eccentric
Sources accompany the production credits and filming links.
Fictional settings and real filming places are listed separately. Filming links include 3 mapped areas; 4 exact sites.
Credits and archive connections
- Writer credits7 episodes credited to Julia Gilbert
- Director credits8 episodes directed by Matt Carter
- Release positionCase 125 of 144
- Story characterEccentric · Beekeeping · Apley Gold
- Location evidence4 exact screen-use matches
Chenies Manor supplies the historic house, while The Barn at Turville Heath becomes the beehive café.
Holy Trinity Church at Bledlow represents the village church; Little Missenden Manor provides another character's home.
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.
Selected episode credits
The Sting of Death cast
These selected cast entries link to their published profiles. They do not include every name shown in the end credits.
Fiona Dolman
Isabel Shaw
Griff Rhys Jones
Ben Starr
Nina Toussaint-White
Aaron Anthony
Bryan Dick
Imogen Stubbs
Wendi Peters
Jack Fox
Jacquetta May
Renée Castle
Derek Griffiths
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
1 person dies in this case, according to the linked death record.
Break the seal: reveal the list of deaths
- Dr. Serena Lowe
Murder · Animal attack
Performer check- Dr. Serena Lowe: Renée CastleITV’s press pack supports Dr Serena Lowe and Renée Castle; the current third-party cast record adds a stray final ‘l’ to Serena.
Break a second seal: reveal the verified killer
Who was the killer in The Sting of Death? (spoiler)
Noah Moon (Noah Lyster)Noah killed Dr Serena Lowe with a deliberately provoked bee attack after confirming that she had helped conceal Ambrose Deddington's false cancer story. He later injected Cal Ingalls with stolen bee venom and staged the body, then tried to kill Ambrose in revenge for the treatment claims that had led his mother to refuse conventional care.
Verified motive
Noah sought revenge for his mother Marnie, who refused conventional treatment and died after believing Ambrose's fraudulent cancer-cure story. He targeted everyone he believed had enabled the deception—confirming Serena's knowledge before killing her, killing Cal as part of the colluding circle and reserving Ambrose for last—while also attacking the hives he felt had failed his mother.
Real place → fictional identity
Where was The Sting of Death filmed?

Holy Trinity Church
Used as: The building returns as the church of fictional Granville Norton.
Representative photograph of the real filming location; the exact camera angle or building may differ.Chenies Manor
Used as: The manor and gardens represent fictional Apley Court.

The Manor House
Used as: The house appears as Cal Ingalls's home.
Representative photograph of the real filming location; the exact camera angle or building may differ.
The Barn
Used as: The barn is transformed into the beehive café.
Representative photograph of the real filming location; the exact camera angle or building may differ.Sources accompany the identified filming places.
Wider filming areas
