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

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

Use these spoiler-safe prompts to notice the setting, the investigation and the details that may matter.

  1. Place

    How does Midsomer Worthy shape what people say openly, delay, or leave unsaid?

  2. Theme

    Which details seem to carry more than one meaning, and what might be a red herring?

  3. Teamwork

    Compare how DCI Tom Barnaby and DS Gavin Troy gather information: who watches the room, and who presses the conversation forward?

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

Check the credits, then follow the source trail for production and filming details. Counts below describe this archive’s records.

The fictional setting and the real filming sites are separate pieces of information. The location desk currently connects it to 2 broader filming areas and 3 exact on-screen site identities.

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.

The chronology is the reference for the credits shown here. A programme homepage does not independently verify a filming date or every production detail. Where multiple transmission dates are listed, territory attribution needs checking. Story, teleplay and adaptation distinctions require the original credit wording; links to external synopses may reveal plot details.

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

Actor profiles for the detective, investigating partner and pathologist credited to this episode.

Actor John Nettles at a public event in 2013
Photo: Man vyi · Public domain · Source · displayed with a layout crop
Lead detective

John Nettles

Tom Barnaby · Detective Chief Inspector

An English actor, author and narrator who was already a household name as Jersey detective Jim Bergerac. After Bergerac he spent five seasons with the Royal Shakespeare Company and later returned to television drama in Poldark.

  • Bergerac
  • Poldark
  • Royal Shakespeare Company
No freely reusable portrait located. A rights-cleared photograph can be added later.
Investigating partner

Daniel Casey

Gavin Troy · Detective Sergeant · later Inspector

An English stage and television actor also known for Our Friends in the North, Steel River Blues, EastEnders and Emmerdale. He later returned to the Midsomer world to play Tom Barnaby in the first professional stage adaptation.

  • Our Friends in the North
  • Steel River Blues
  • Midsomer Murders on stage
No freely reusable portrait located. A rights-cleared photograph can be added later.
Forensic support

Barry Jackson

Dr George Bullard · Police pathologist

An English stage and screen character actor whose career lasted more than five decades. His credits ranged from the landmark television play Cathy Come Home to Doctor Who, Barry Lyndon and many familiar British television dramas.

  • Cathy Come Home
  • Doctor Who
  • Barry Lyndon

Portraits are used only where a reusable licence or public-domain release has been verified. Publicity stills and stock photographs are not copied into this independent guide.

Forensic desk

Dr George Bullard

Credit
Resident pathologist
Played by
Barry Jackson

Causton's long-serving pathologist is professionally unflappable, quietly witty and an old friend of Tom Barnaby.

Meet the Casebook pathologists →

Spoiler-controlled deaths desk

Deaths recorded in this case

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

Break the seal: reveal the death ledger
  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 body-count ledger’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

Verified killers

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 ↗
Search the complete deaths index →

Real place → fictional identity

What was filmed where?

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 support the listed site uses; they do not establish every filming location in an episode.

Wider filming areas

Places connected to this file