Max is planning to murder his wife Janet, collect her life insurance, and enjoy life with his girlfriend when Mary and George arrive on their Greek island with news: Mary and Janet are beneficiaries of a huge fortune. Plans and plots hatch, and soon everyone is bent on murder. All that stands in their way is the presence of a neighbour who knows a thing or two about murder, crime writer Edgar Chambers. This thrilling comedy is by the writer of the television series, The Avengers.