In Malham Bridge, former socialite and feisty pensioner Isobel Hewitt is accused of assault by fellow fly fisherman Margaret Seagrove. When Barnaby and Troy investigate the allegations they discover all is not well on the Midsomer riverbanks. The investigation takes a more serious turn when two bodies are discovered in the river. Are they victims of a chance attack by poachers or was there a more sinister motive?
The quiet of Midsomer Worthy is shattered by the suicide of Martin Wroath. A gambler, drinker and depressive, the complex nature of his death attracts Barnaby's attention. Wroath had received treatment from the local psychiatric hospital, under the supervision of Dr Jane Moore. The doctor is a widow who juggles her career with being a mother of three children. Her 'Care in the Community' approach does not meet with the approval of many of the villagers.
Joyce Barnaby has enrolled in an art class that takes her to the village green in Midsomer Florey. The village is also under surveillance by Barnaby and Troy who are busy with 'Operation Pondlife' an initiative designed to combat street crime. After Joyce finds the body of one of her fellow artists the two detectives investigate, and uncover more than they expected. With his wife as the star witness, Barnaby is taken off the case and Troy continues the investigation alongside the National Intelligence Squad.
The Smythe-Websters are a rich family whose wealth and power dominate the two local villages of Upper and Lower Warden. The Head of the Manor's nephew, Larry, is killed in an explosion which appears to be related to the recent making of a horror film, based on the village's history. Larry's Uncle was producing the film and sees the death as good publicity. Barnaby and Troy begin to wonder just how far the Smythe-Websters would go for more money and power?
Troy and WPC Sarah Pearce are in Midsomer Magna investigating a wildlife crime while Barnaby follows up the discovery of the car and body of Julian Shepherd in the river. Elsewhere Mallory Edmonton is keeping her husband Charles, who suffers from Alzheimer's disease, sedated and under lock and key in the attic. It transpires that Julian had money worries after investigating Charles Edmonton's secret invention. Charles dies and the two detectives must act fast if they are to uncover what really happened.