Smile Jenny, You're Dead

During a murder hunt game at a country house, to which Hercule Poirot is invited as an "expert", a real murder occurs.

A private investigator helps a former flame solve the murder of her wealthy grandfather, who lived in a sprawling estate surrounded by his idiosyncratic family.

Unable to process the death of his daughter, Detective Boyd embarks on a hunt for a serial killer who murders according to a brutal tribal ritual: Muti. The only person who can help Boyd is Professor Mackles, an anthropologist who hides an unspeakable secret. The line between sanity and madness thins as Boyd goes deeper into the killer’s world.

Detective Chief Superintendent Maurice Jobson is forced to remember the very similar disappearance of Clare Kemplay, who was found dead in 1974, and the subsequent imprisonment of local boy Michael Myshkin. Washed-up local solicitor John Piggott becomes convinced of Myshkin's innocence and begins to fight on his behalf, unwittingly providing a catalyst for Jobson to start to right some wrongs.