Based on the crime-novel series by author Caroline Graham, "Midsomer Murders" follows the efforts of Detective Chief Inspector John Barnaby to solve crimes that occur in the wealthy, isolated English county of Midsomer, a picturesque and peaceful place on the outside but one filled with amoral and snobbish eccentrics with all kinds of vices. His latest assistant is Detective Sergeant Jamie Winter. DCI Barnaby took over in series 14, replacing his older cousin, Chief Inspector Tom Barnaby, who retired.

When the boss of Calder's Biscuit Company is murdered in Copenhagen, Barnaby and Nelson join forces with two female Danish detectives.

The Luxton Deeping Crime Festival is jeopardized when a manuscript is stolen and a woman is fatally electrocuted.

Barnaby and Nelson uncover a conflict between the village church and ancient pagan traditions when a pub landlady is crushed to death during a magic show.

Barnaby investigates whether a ballad made famous by a late, lamented folk singer could have been the inspiration for a murder.