A 90 years long feud between two families, the Hicks and the Hammonds, appears to have escalated to murder.

Barnaby has to deal with a murder at the wedding reception for a local aristocratic family as well as daughter Cully's upcoming nuptials.

Jones is brought back to his home town to help investigate a series of murders linked to childhood friends and events that occurred years earlier.

When a man who's been missing for two weeks is found dead in the woods near Midsomer, Barnaby finds connections between him and a magazine editor known for his killing reviews of local hotels and restaurants.

The traditions of a local cult in Midsomer, the Temple of Thoth, appear to be related to a series of murders using poison of the poison dart frog.

During the Christmas days Barnaby has to solve an explosion as well as a number of murders near a freight company while trying to cope with his acting CS who has very strong beliefs about teamwork.