Once again, there's death on her doorstep – Thea throws herself into house-sitting for Babs and Cedric Angell in Lower Slaughter following her beloved father's death – anything to keep her busy and away from some of her rather difficult relatives. Although it's lonely, she has her spaniel Hepzie for company, and keeping the house in order and looking after the Angells' menagerie of animals does the trick for a short period of time. But when Thea's prickly older sister turns up, after witnessing a horrific killing, the timeless tranquility of Lower Slaughter vanishes, replaced by the sinister connotations of the town's name.
Thea Osborne has just lost her beloved father and retreats to housesitting in Lower Slaughter hoping to find peace. But reality soon catches up in the shape of her elder sister, the witness of a horrific killing. The rural serenity descends into a web of suspicions, accusations and confrontations.