On the Midsomer Golfclub Whiteoaks a member is killed with a golfclub. In the course of the investigation they discover Whiteoaks to be full of hatred, gambling, violence, jealousy and extortion.

The sale of a previously unknown painting by an 18th century painter sends Barnaby into an investigation of murders as well as art forgery.

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.

Midsomer University science fellow George Jeffers threatens to make public a problem with his state-of-the-art invention Kernel Logic, but American software boss Clinton Finn fears he will lose millions if the truth comes out. When a schoolteacher is killed in a hit-and-run, Barnaby suspects Jeffers was the intended target.