The unveiling of a newly-discovered novel by deceased Midsomer crime-writer George Summersbee at the Luxton Deeping Crime Festival is jeopardised when the manuscript is stolen and a woman is fatally electrocuted by a booby-trapped roulette wheel. Can new dad Barnaby untangle a web of jealousy and obsession to find the killer?

Could a ballad made famous by late, lamented folk singer Johnny Carver be an inspiration for murder? Did someone want to kill Toby Winning for threatening to take the Little Crosby Folk Festival away from Midsomer – or is the true motive something hidden for 20 years?

The fizz goes out of a sparkling wine launch when the glasses are laced with poison. Who is targeting the Midsomer Vinae Winery and what does the attack have to do with the death of a child in a hit-and-run accident?