The elderly Sir Freddy Butler has invited both his ex-wives, Annabel & Lucinda, to stay with him and his current wife, Tara. When he dies suddenly of a heart attack, the bitter rivalry between the three and Sandra, the wife of his heir, comes to the surface, with murderous consequences. To solve the mystery, Barnaby must unravel paternity questions about some of the residents of the hall, and find the legendary missing emeralds.

Barnaby rocks!!! Barnaby dusts off his LPs and reminices about his younger days as a member of a rock band, (much to the amusement of Jones) when his former rock idols Hired Gun', reform to play the Midsomer rock festival. Backstage, however, the old tensions which caused the group to split quickly resurface, and there is still the unexplained mystery of the band member who disappeared 30 years ago. It becomes evident that not everybody shares Barnaby's enthusiasm for the group when one of their members is electrocuted on stage at their opening gig. Who is responsible? Is it one of the band or their sinister butler. Barnaby has to cast aside his fan cloak for his professional one to investigate.

Although it's 90 years since the end of WW1, the feud between the Hammond and Hicks families still festers. Much to the disgust of Colonel Henry Hammond, Private Tommy Hicks condemned for cowardice in the conflict, has been exonerated and his name added to the local war memorial. Meanwhile Barnaby is not a happy man. His roof is leaking and his peaceful dinner with Joyce at the local hostelry is interrupted when he has to break up a fight between the two elderly patriarchs of the Hicks and Hammonds families who, despite being wheelchair bound, battle it out with baguettes!

A number of murders near a government safe house in Midsomer appears to be connected to a group of British spies stationed in East Berlin during the Cold War.

Barnaby decides to join Causton's annual trip to Brighton when he become suspicious about the mayor's plans to buy up coastal land for holiday chalets. But before he can get to the bottom of the dubious deal, a hated property developer is beheaded at a funfair and a collection of valuable historical swords goes missing. With the help of his cousin DCI John Barnaby, the detective sets out to crack the case. Guest starring Neil Dudgeon (Roman's Empire), Mark Gatiss (The League of Gentlemen), Coronation Street villain Brian Capron and Blackadder's Tim McInnerny

New DCI John Barnaby arrives in Midsomer and is bemused by the quaint villages and their quirky residents. But when a local DJ is crushed to death at a traditional girls’ boarding school, he soon discovers that murder and deception are never far away. As the death toll rises, could Barnaby’s first case also be his last?

The reclusive lives of elderly eccentrics William and Mary Bingham comes under police scrutiny when a social services investigator is murdered. Barnaby and Jones must unearth generations of family secrets and decipher astronomical charts to find the killer.

When a headless horseman makes an an appearance at Quitewell Hall it foreshadows a number of deaths amongst an aristocratic family. Whilst a Civil War re-enactment takes place the family relive their own historic battles with their neighbours.