The Musketeers are given orders to apprehend an explorer named Bonnaire, who has apparently broken France's trade treaty. Bonnaire's surprisingly numerous enemies make the mission far more difficult than they had anticipated.
Accusations of unsportsmanlike conduct on the river are bedevilling the Midsomer game fishermen, and Barnaby has to interview elegant widow Isobel Hewitt, a spendthrift, fast-living, Jaguar-driving 75-year-old, when another lady fly-fisher accuses her of a violent assault. Then first Isobel and later her fellow villager Dr Duncan Goff are found on the river-bank with their skulls smashed in, and there is no shortage of suspects - including an antique dealer who apparently specializes in befriending elderly widows.
The picture is confused when one of the suspects, chef-restaurateur Keith Scholey, is found frozen to death in his walk-in deep freeze, with the lock of the door jammed by a nail. Troy has a theory that Scholey was the killer and has made his suicide look like murder, but will that be the end of the affair?
With the discovery of Aladine-50, a vaccine against Creon fever, the importation of Earth dogs is all the rage in Demeter. Then three executives of Demeter Dogs Inc. are killed in mysterious circumstances and Brogan uncovers a plot that heralds an invasion of Altor by the Omera, an army of nomadic alien killers!moreless