A woman who works at the dairy behind the world-famous Midsomer Blue is crushed to death by a giant round of cheese. Barnaby and Jones uncover intrigue at the dairy.
The president of the chess society is found dead with an ice axe in his back and a chess notation in his mouth. Barnaby and Jones wonder whether an attack that left a young woman for dead could be linked to moves on a chess board.
A holywood star, sister of a local actress, returns to Midsomer with her producer husband after an absence of 40 years. Meanwhile, a series of murders takes place, each echoing an incident in a film starring a member of the family.
Barnaby and Jones investigate the murder of an amateur astronomer killed by a blow to the head during a total solar eclipse and uncover the inevitable sexual intrigue and academic rivalry.
Convicted killer Grady Felton returns to his childhood home after 18 years, causing anger in the community. A barrister who defended him in the trial is murdered and suspicion falls on Grady. Grady has an alibi though and when he ends up being critically injured in an arson attack it looks like somebody is out to take revengemoreless
Bentham DeQuetteville falls from the roof of his family estate after seeing a headless horseman, the ghost of his ancestor who died in the Civil War.
As more family members die, Barnaby and Jones have to discover the identity of the rider and why the DeQuetteville's are being targetted.