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 Wolf Hunter of Little Worthy 6.1
Fecha de emisión: 2021-04-04
Duración: 90 min
Sinopsis: After a local photographer wins an urban myth competition with his creation of The Wolf Hunter, it unexpectedly gains a cult following.
The Stitcher Society 6.3
Fecha de emisión: 2021-04-11
Duración: 90 min
Sinopsis: A local outcast, who was controversially acquitted of murder years previously, is the latest inductee into a post-operative heart rehab club. Following his arrival, members dreams of a second chance at life begin being cut short.
Happy Families 6.9
Fecha de emisión: 2021-10-03
Duración: 90 min
Sinopsis: Barnaby is investigating the murder of Victor Karras, a manufacturer of exclusive board games, who appears to have been poisoned.
The Scarecrow Murders 7.7
Fecha de emisión: 2022-05-29
Duración: 90 min
Sinopsis: The annual scarecrow festival in Midsomer takes a terrible turn when dead bodies are found placed on piles next to the festival's straw creations. Barnaby's investigation shows a deep competitive rivalry that makes people do just about anything to win.
For Death Prepare 7.5
Fecha de emisión: 2023-05-28
Duración: 90 min
Sinopsis: The Midsomer Mummers, a company for amateur opera, is in the middle of rehearsals for a charity concert when a dead body is found at the theatre. The investigation's goal is to find out which person has the greatest wishes to be at the centre of attention.
The Witches of Angel's Rise 7.5
Fecha de emisión: 2023-08-27
Duración: 88 min
Sinopsis: Each year, the village of Angel's Rise hosts the Psychic Fayre. Founded by the Saint-Stephens family in memory of their late daughter, the event attracts mediums, psychics, and followers of the occult. When a body is found surrounded by ritual symbols on the eve of the festival, Barnaby must step into the spiritual world to find the killer.