- Marple is asked by her lawyer, Christian Gilbranson, to visit his step-mother, Carrie Louise Serrocold, an old friend of Miss Marple's, at her country estate. Carrie's husband, Lewis, confides to Miss Marple that he suspects someone is slowly poisoning his wife, and when Gilbranson visits the mansion, he is mysteriousl…
- To his Victorian London friends, Stephen Lowry is a heartbroken widower. Only his housemaid Lily knows that far from dying of gastroenteritis his wife was slowly poisoned by her husband - information she is happy to use to improve her position in the household and to make sure she stays close to Stephen. As his own pro…