Case file · Series 5, Episode 2 · Season 5, Episode 2

A Worm in the Bud

An apparent suicide in Setwale Wood points instead to a land dispute, two observant children and a concealed family story.

The 60-second case card

Should I watch this one?

Children's evidence overturns the first reading of the death and gives the investigation an unusually clear moral centre.

Best for
Woodland · Land dispute · Family secret
Mood
Dark
Team
DCI Tom Barnaby with DS Gavin Troy
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

Children's evidence overturns the first reading of the death and gives the investigation an unusually clear moral centre.

Susan Bartlett is discovered in Setwale Wood with evidence suggesting suicide. Two children say they saw the body earlier than the official timeline allows, convincing Barnaby and Troy that the scene was arranged.

The wood is already at the centre of litigation between the Bartlett and Harrington families over development. When James Harrington is also killed, the inquiry expands into old beliefs about the woodland, private relationships and a family truth that would alter more than the court case.

  • Woodland
  • Land dispute
  • Family secret
Break the seal: reveal the finding

Who was the killer in A Worm in the Bud? (spoiler)

The staged suicide and later murder protect a secret about the children and the two households; the development dispute is real but not the whole motive.

Spoiler-safe viewing companion

Three questions to carry into the episode

Three spoiler-safe questions for your rewatch.

  1. Place

    What does Midsomer Worthy conceal?

  2. Theme

    Which details could have more than one meaning?

  3. Teamwork

    Watch DCI Tom Barnaby and DS Gavin Troy: who notices what?

Browse all 100 observation cards →
More episode detailsProduction, cast, deaths and filming information

Credits, context and checked facts

Production and cast

TV series
Series 5
Episode number
Episode 2
Written by
Michael Russell
Directed by
David Tucker
Listed transmission date(s)
23 June 2002
Reported filming period
September–October 2001
Detective
DCI Tom Barnaby
Partner
DS Gavin Troy
Pathologist
Dr George Bullard · Barry Jackson
Principal setting
Midsomer Worthy
Casebook tone
Dark

Sources accompany the production credits and filming links.

Fictional settings and real filming places are listed separately. Filming links include 2 mapped areas; 3 exact sites.

Credits and archive connections

  • Writer credits5 episodes credited to Michael Russell
  • Director credits3 episodes directed by David Tucker
  • Release positionCase 21 of 144
  • Story characterDark · Woodland · Land dispute
  • Location evidence3 exact screen-use matches
The court dispute

Barnet Council Offices are used as Midsomer Court House for the opening confrontation over Setwale Wood.

The children's meeting place

Balinger Common, in the Little Missenden area, supplies the playground where Caroline and James Harrington meet.

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

A Worm in the Bud cast

These selected cast entries link to their published profiles. They do not include every name shown in the end credits.

The performers behind this case

Core cast

Follow the cast links for full actor and character guides.

Image credits identify the licence used. No programme publicity stills are reproduced.

Forensic team

Dr George Bullard

Credit
Resident pathologist
Played by
Barry Jackson
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Spoiler-controlled deaths

Deaths recorded in this case

3 people die in this case, according to the linked death record.

Break the seal: reveal the list of deaths
  1. Susan Bartlett (farmer's wife)

    Murder · Drowning

    Performer check
    • Susan Bartlett: not listed in the current published cast recordNo Susan Bartlett performer appears in the current published cast record. The list of deaths’s descriptor is retained with corrected possessive grammar.
  2. James Harrington

    Murder · Drowning

    Performer check
  3. Victoria Bartlett

    Murder · Gunshot

    Performer check
Break a second seal: reveal the verified killer
Series 5 · episode 2 · checked 14 September 2026

Who was the killer in A Worm in the Bud? (spoiler)

Victoria Bartlett · Hannah Harrington

Victoria drugged and drowned Susan Bartlett, staged the scene and message as a suicide, then drugged and drowned James Harrington after he blackmailed her. Hannah later shot Victoria after learning that she had killed James. Jonah Bloxham's attempt to frame Simon and Victoria's non-fatal attack on Jonah are kept distinct from the three deaths.

Verified motive

Victoria killed Susan so Simon could marry someone capable of producing a Bartlett heir and preserve the family's 500-year tenure, then killed James when he discovered the truth and demanded money. Hannah shot Victoria in revenge for James's murder.

Source: episode transcript ↗

Verified important clue

Archive case 21 · checked 16 September 2026The impossible timing of Susan Bartlett's suicide email

The message was sent from Susan's laptop after her body had already lain in Setwale Wood for at least six hours, proving that the apparent suicide note and drowning scene were constructed rather than evidence that Susan took her own life.

Clue source: episode transcript ↗

Verified decisive clue

Archive case 21 · checked 17 September 2026The late suicide email and concentrated valerian in both victims

The children place Susan dead at least six hours before the email was sent from her laptop, proving that the suicide message and drowning scene were staged. Concentrated valerian in both Susan and James then links their deaths, while Victoria's admission resolves those two drownings and Hannah's later shooting remains a separate act.

Decisive-clue source: episode transcript ↗

Verified red herring

Archive case 21 · checked 17 September 2026Susan Bartlett's apparent suicide

Her depression, infertility and a farewell email make the drowning look self-inflicted, and the initial timing appears to fit. The children saw Susan's body hours earlier and the email was sent after she was already dead, exposing a staged scene and Victoria Bartlett's murder.

Red-herring source: episode transcript ↗

Verified death and discovery order

Archive case 21 · checked 16 September 2026
  1. death
    Susan Bartlett is drugged and drowned

    Victoria gives Susan a concentrated dose of valerian and drowns her while constructing an apparent suicide.

  2. discovery
    Susan is found in Setwale Wood

    Her body is recovered from a pond, but the children's earlier sighting and the timed message expose the staged account.

  3. death
    James Harrington is drowned

    Victoria drugs and drowns James after he discovers what she did and blackmails her.

  4. discovery
    The second poisoning is identified

    Valerian in James's whisky and in both bodies connects his death to Susan's.

  5. death
    Hannah shoots Victoria

    Hannah kills Victoria in retaliation after learning that Victoria murdered James.

  6. discovery
    The separate responsibilities are established

    The resolution distinguishes Victoria's two planned drownings, Hannah's revenge and Jonah Bloxham's unrelated frame-up.

Timeline source: episode transcript ↗
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Real place → fictional identity

Where was A Worm in the Bud filmed?

High Barnet, Hertfordshire

Barnet Council Offices

Used as: The civic offices become Midsomer Court House for the Setwale Wood dispute.

St John the Baptist Church in Little Missenden
Little Missenden, Buckinghamshire

Balinger Common

Used as: The common supplies the playground where Caroline and James Harrington meet.

Representative photograph of the real filming location; the exact camera angle or building may differ.
Open the Little Missenden location file →
Lower Assendon, Oxfordshire

The Golden Ball

Used as: The pub appears as the local in fictional Midsomer Worthy.

Sources accompany the identified filming places.

Wider filming areas

Places connected to this file