DCI Barnaby and DS Nelson join forces with two female Danish police detectives when the boss of Calder's Biscuit Company is poisoned in Copenhagen after opening an empty tin of his company's famous Golden Clusters.

When the owner of Finchmere Airfield is dropped from a plane to meet a gruesome death, DCI Barnaby and DS Nelson find the exciting world of stunt pilots and military heroes hides many dark secrets.

When Martin Strickland, a local farmer is found dead in his own woods; covered by truffle oil and mauled to death by a wild boar, the investigation leads DCI Barnaby to Wyvern House, a posh picturesque country house restaurant run by a tyrannical celebrity chef, Ruth Cameron. But soon, another murder occurs and this time, the poison spreads further than the intended target.

A series of murders in Midsomer St. Claire seem to be inspired by macabre images on a medieval fresco recently discovered in the church crypt. As the village prepares for storms and flooding it appears that someone is using ancient torture methods to punish modern-day sinners. But who is responsible and why?

DCI Barnaby and the newly arrived DS Charlie Nelson investigate the fatal stabbing of a man with an antique sword during a ghost-hunting party at a manor house in Morton Shallows. Is the ghost of young Rose Wilton seeking revenge from the beyond the grave, or can Barnaby and Nelson find a more earthly motive behind the murder and trap the killer?