A prestigious golf club is the setting for murder, but when one of the major members is found dead, Barnaby and Jones try to determine what made him leave the fairway.
A newly discovered masterpiece by landscape artist Henry Hogson causes a stir when it is auctioned for £400,000 - just hours before its former owner is tortured and killed.
Former secret agent Geoffrey Larkin arrives in Midsomer and stays in a country mansion run by former spies Sir Malcolm Frazer, his son Nicky and Nicky's wife Jenny as a safe house.
Midsomer University science fellow and cycling enthusiast George Jeffers threatens to make public a problem with his state-of-the-art invention Kernel Logic.