Ten strangers are lured to a secluded island mansion under false pretenses, only to find themselves accused of past crimes and systematically murdered one by one. Each guest must confront their own history while attempting to identify the killer hidden among them. The narrative follows a third-person perspective that shifts focus between the characters as their paranoia and isolation intensify. As the physical environment of the island becomes a trap, the logical constraints of the mystery force the survivors to navigate a dwindling sense of safety and trust.

This novel is widely regarded as a definitive work in the mystery genre, noted for its intricate plotting and psychological depth. Readers often highlight the effectiveness of the nursery rhyme structure in building tension as the cast is whittled down. The narrative style is praised for its clinical precision and the way it manipulates the reader's expectations regarding the identity of the culprit. It remains a standard-bearer for the whodunit format, consistently analyzed for its mastery of suspense and structural economy.