The normally friendly village of Lymston is plagued by vile anonymous letters. When a mother of three takes her own life, following such a letter, Ms. Marple is not at all convinced things are as they seem.
Cast:Joan Hickson , Michael Culver , Deborah Appleby , Andrew Bicknell , Sabina Franklyn , Richard Pearson , Hilary Mason , Dilys Hamlett , John Arnatt , Sandra Payne , Martin Fisk , Penelope Lee , Juliet Waley , Imogen Bickford-Smith , Geoffrey Davion , Gerald Sim , Ninka Scott , Patsy Smart
It's such a nice village - who would have thought it held so many dirty secrets?
The truth about the murders - and the poison-pen letters - gradually emerges, although Miss Marple herself is menaced.