Townspeople of a Midsomer village are up in arms over a wealthy, hated family's decision to turn a once-public memorial garden into a tea room. When one of the family is found murdered, Barnaby and Troy must weed through the townspeople's sordid lives to uncover the culprit.
The will of late hotelier Karl Wainwright causes ructions amongst his staff, and soon a serial murderer begins hunting down the beneficiaries, dispatching them in increasingly gruesome and imaginative ways. Meanwhile, Barnaby and Troy discover the bizarre village tradition of exposing dark secrets - through cryptic Punch and Judy shows.
The bodies of former criminals are found in a cornfield. The cause of their deaths and the strange position in which they lay is rather bizarre. Rumours quickly circulate in the village that it could be the work of some extra-terrestrial force. However, Barnaby is far from convinced.
When a village postman is murdered, Barnaby and Troy discover that he was the local Casanova and suspect the killer may have been a jealous husband. Meanwhile, Troy also begins to feel romantic inclinations towards a local policewoman.