Case file · Series 8, Episode 7 · Season 8, Episode 7
Sauce for the Goose
A factory visitor is found inside Plummer's relish machinery, exposing a family business with more guarded secrets than its recipe.
The 60-second case card
Should I watch this one?
The industrial method is outrageous; the Plummer family's resentments are pure classic mystery.
- Best for
- Family businesses, rival claims and an eccentric rural workplace.
- Mood
- Eccentric business mystery
- Team
- DCI Tom Barnaby with DS Dan Scott
- 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
The industrial method is outrageous; the Plummer family's resentments are pure classic mystery.
A family business gives Midsomer a productive alternative to a village club: relatives also have jobs, loyalties and competing ideas about ownership. The threatened takeover of a relish factory makes those tensions concrete. Choose this if you enjoy a familiar local institution becoming a battlefield between commercial ambition and family identity. The unusual industrial setting adds flavour, but the relationships keep the premise understandable.
Watch for
Listen for the difference between caring about the company’s future and caring about one’s own place in it.
Before you choose
The food-business setting does not make this a gentle culinary mystery; keep the crime details for the episode itself.
Casebook editorial interpretation. Distributor synopsis · factory and takeover premise ↗
Dexter Lockwood's body is discovered in the famous Plummer & Son relish factory after he joined a public tour. The family initially treats him as an anonymous visitor, but Barnaby and Scott establish that Dexter was known to the Plummers and had arrived with a purpose.
Legal documents, disputed inheritance and reported sightings place the factory's past beside its uncertain future. The celebrated recipe matters commercially, yet the harder secret concerns what happened inside the family long before the tour machinery started.
Break the seal: reveal the finding
Commercial rivalry is only part of the recipe. Dexter's identity and an older death expose a concealed family connection that the killer is determined to keep out of the succession.
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.
- Place
How does Little Upton shape what people say openly, delay, or leave unsaid?
- Theme
Which details seem to carry more than one meaning, and what might be a red herring?
- Teamwork
Compare how DCI Tom Barnaby and DS Dan Scott gather information: who watches the room, and who presses the conversation forward?
More episode detailsProduction, cast, deaths and filming information
Credits, context and checked facts
Production and cast
- TV series
- Series 8
- Episode number
- Episode 7
- Written by
- Andrew Payne
- Directed by
- Renny Rye
- Listed transmission date(s)
- 3 April 2005
- Reported filming period
- January–February 2005
- Detective
- DCI Tom Barnaby
- Partner
- DS Dan Scott
- Pathologist
- Dr George Bullard · Barry Jackson
- Principal setting
- Little Upton
- Casebook tone
- Eccentric
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 4 exact on-screen site identities.
Credits and archive connections
- Writer credits11 episodes credited to Andrew Payne
- Director credits23 episodes directed by Renny Rye
- Release positionCase 42 of 144
- Story characterEccentric · Relish factory · Family business
- Location evidence4 exact screen-use matches
The Maltings in Old Amersham supplies the exterior of Plummer's Relish factory.
The Britannia Fruit Preserving Company at Tiptree provides the working production interiors.
Sources for the production file
Published episode chronology and credits ↗Official ITV programme page ↗Filming-location reference index ↗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
Sauce for the Goose cast
These selected cast entries link to their published profiles. They do not include every name shown in the end credits.
Jane Wymark
Karl Johnson
Jasper Britton
Geraldine Alexander
Rod Hallett
Lucy-Ann Holmes
James Fleet
David Ross
Lizzy McInnerny
Ann Beach
Steve Speirs
Annette Crosbie
John Quayle
Pauline Whitaker
Benedict Sandiford
Vivienne Ritchie
Tom Bowles
The performers behind this case
Core cast
Actor profiles for the detective, investigating partner and pathologist credited to this episode.
John Nettles
Tom Barnaby · Detective Chief InspectorAn 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
John Hopkins
Dan Scott · Detective SergeantAn English actor with extensive stage, screen and voice work. His credits include the Royal Shakespeare Company, Poldark and Alice in Wonderland, as well as prominent game performances in Horizon, Hitman and Assassin's Creed.
- Royal Shakespeare Company
- Poldark
- Horizon game series
Barry Jackson
Dr George Bullard · Police pathologistAn 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
1 person dies in this case, according to the linked death record.
Break the seal: reveal the death ledger
- Dexter Lockwood
Murder · Stabbing or impalement
Performer check- Dexter Lockwood: Rod Hallett
Break a second seal: reveal the verified killer
Verified killers
Helen Plummer · Ralph Plummer (accomplice)Helen killed Dexter Lockwood in the factory after learning of the scheme to force a sale of the family business. Ralph helped move and conceal Dexter's body and later confessed to protect Helen, so he is identified as an accomplice rather than the physical killer.
Verified motive
Helen killed Dexter after learning that he and Anselm planned to force the Plummers to sell the family business. Ralph helped conceal the crime and later confessed in order to protect Helen.
Verified important clue
Archive case 42 · checked 16 September 2026Dexter Lockwood's glasses in Helen Plummer's factory coatRalph's protective confession collapses when the glasses he says he pocketed are found in Helen's coat instead; their position and her expected fingerprints identify who handled them after Dexter was killed while leaving Ralph's later concealment separately labelled.
Verified decisive clue
Archive case 42 · checked 17 September 2026Dexter Lockwood's glasses in Helen Plummer's factory coatRalph's protective confession collapses because the glasses he claims to have pocketed are instead found in Helen's coat with the expected handling evidence. Their position identifies Helen as Dexter's physical killer while keeping Ralph's movement of the body and later false confession separately labelled.
Verified death and discovery order
Archive case 42 · checked 16 September 2026- deathDexter Lockwood is killed
Helen kills Dexter in the factory after learning of the plan to force the Plummers to sell the family business.
- discoveryDexter's body is found in the factory
The production machinery and the concealed body turn the proposed takeover into a murder inquiry.
- discoveryDexter's identity and purpose emerge
The inquiry establishes his connection to Fieldway Foods and the pressure being applied to the indebted family firm.
- discoveryRalph admits concealing the body
Ralph's assistance in moving and hiding Dexter is distinguished from the act that killed him.
- discoveryRalph's confession is disproved
His attempt to protect Helen does not make him the physical killer, leaving the false confession as accomplice conduct.
- discoveryHelen is identified as the killer
The resolution attributes Dexter's death to Helen and keeps Ralph's concealment and protective confession separately labelled.
Real place → fictional identity
What was filmed where?
The Maltings
Used as: The industrial exterior represents Plummer's Relish factory.
Representative photograph of the real filming location; the exact camera angle or building may differ.Britannia Fruit Preserving Company
Used as: The working preserve factory supplies the Plummer's Relish interiors.
The Two Brewers
Used as: The pub appears as a local in fictional Little Upton.
High Street house
Used as: The house represents the home of Dexter Lockwood's father.
Representative photograph of the real filming location; the exact camera angle or building may differ.Sources support the listed site uses; they do not establish every filming location in an episode.
Wider filming areas
Places connected to this file
Old Amersham
Historic streets and period buildings repeatedly become Causton, village centres, shops and institutions.
Open location →Little Marlow
The village green, church, pub and houses have portrayed Morton Fendle and other compact Midsomer communities.
Open location →