Su protagonista, hasta el año 2011, era el inspector jefe Tom Barnaby (John Nettles), que trabajaba para Caustron CID; más tarde, fue reemplazado por el actor Neil Dudgeon, que interpreta a un primo menor de Tom, John Barnaby. En cada episodio, Barnaby investiga uno de los numerosos asesinatos que ocurren en el condado ficticio de Midsomer, acompañado por un sargento, que fue cambiando durante la historia del programa: Gavin Troy (Daniel Casey), Dan Scott (John Hopkins) y Ben Jones (Jason Hughes).
The Dagger Club 7.7
Fecha de emisión: 2015-01-28
Duración: 90 min
Sinopsis: The unveiling of a newly-discovered novel by deceased Midsomer crime-writer George Summersbee at the Luxton Deeping Crime Festival is jeopardised when the manuscript is stolen and a woman is fatally electrocuted by a booby-trapped roulette wheel. Can new dad Barnaby untangle a web of jealousy and obsession to find the killer?
Murder by Magic 6.8
Fecha de emisión: 2015-02-04
Duración: 90 min
Sinopsis: When a pub landlady is crushed to death during a magic show in Midsomer Oaks, Barnaby and Nelson uncover conflict between the village church and ancient pagan traditions. Is famous magician Gideon Latimer to blame or is he the target?
The Ballad of Midsomer County 7.3
Fecha de emisión: 2015-02-11
Duración: 90 min
Sinopsis: Could a ballad made famous by late, lamented folk singer Johnny Carver be an inspiration for murder? Did someone want to kill Toby Winning for threatening to take the Little Crosby Folk Festival away from Midsomer – or is the true motive something hidden for 20 years?
A Vintage Murder 8.1
Fecha de emisión: 2015-02-18
Duración: 90 min
Sinopsis: The fizz goes out of a sparkling wine launch when the glasses are laced with poison. Who is targeting the Midsomer Vinae Winery and what does the attack have to do with the death of a child in a hit-and-run accident?