When old family friend Louisa Oxley visits Miss Marple one stormy night seeking help, Miss Marple decides to send her and her son, Archie, to safety at the labyrinthine estate of Greenshaws Folly, owned by Miss Marples good friend Katherine Greenshaw, an eccentric botanist and the last surviving Greenshaw. Louisa becomes Miss Greenshaws secretary, and quickly attracts the at...