A weekly gathering of acquaintances at the home of Miss Jane Marple serves as the stage for a series of complex, unsolved mysteries presented for intellectual debate. Each participant takes a turn recounting a baffling crime from their past, challenging the others to deduce the culprit before the narrator reveals the actual outcome. The narrative framework relies on the parlor-game structure, where the quiet, unassuming Miss Marple consistently outwits her peers by applying her keen observations of human nature to the presented facts. The constraints of the world are defined by the social etiquette of the English village setting and the logical limitations of the evidence provided within each self-contained story.

This collection is widely regarded as a foundational text for the armchair detective subgenre, showcasing the early development of one of literature's most iconic sleuths. Readers often highlight the cleverness of the individual puzzles and the satisfying nature of the social interactions between the storytellers. The book is frequently praised for its economy of language and the way it demonstrates the power of observation over physical evidence. It remains a staple for those interested in the evolution of the mystery genre and the specific narrative techniques employed by the author to misdirect the audience.