S2, E2: Lymstock is a town with more than its share of shameful secrets, a town where even a sudden outbreak of anonymous hate-mail causes only a minor stir. When Mrs Symmington commits suicide as a result of one of the letters, Miss Marple believes that there is more to this case. Was Mrs Symmington murdered? As the letters become even more deadly the village is thrown into turmoil. Someone in the village must be responsible - can anyone be trusted?