
The narrative revolves around a murder mystery involving poisoned chocolates sent to Sir Eustace Pennefather, which inadvertently leads to the death of Mrs. Joan Bendix. The story begins with Roger Sheringham, president of a group called the Crimes Circle, who proposes that the members investigate the unsolved murder case after the police have given up hope of finding the culprit. The Circle consists of various intellectuals, including a barrister, a novelist, and a playwright, all eager to engage in the challenge. As the members discuss the case, they learn from Chief Inspector Moresby that the chocolates were poisoned with nitrobenzene, a substance not commonly recognized as a poison. The investigation reveals that the chocolates were intended for Sir Eustace, but the actual victim was his acquaintance, Mrs. Bendix. The police initially suspect an accident, but as the Circle delves deeper, they uncover motives and connections that suggest foul play. The narrative unfolds through the perspectives of different members of the Crimes Circle, each presenting their theories and findings. Sir Charles Wildman, a prominent barrister, proposes that Lady Pennefather, Sir Eustace's wife, is the murderer, driven by jealousy and financial motives. However, Mrs. Fielder-Flemming, another member, challenges this theory, suggesting that the true murderer is a rival of Sir Eustace's for the affections of a woman, possibly Miss Wildman. As the investigation progresses, various clues emerge, including the typewriter used for the forged letter accompanying the chocolates and the notepaper from Mason & Sons, the chocolate manufacturer. The members debate the significance of these clues, with Mr. Morton Harrogate Bradley, a detective story writer, presenting a compelling case that the murderer is someone with a background in criminology, possibly a woman connected to Sir Eustace. The climax of the story occurs when Mrs. Fielder-Flemming accuses Sir Charles of being the murderer, citing his motives and opportunity. The tension escalates as the members of the Circle grapple with the implications of her accusation. Ultimately, the narrative explores themes of jealousy, ambition, and the moral complexities surrounding murder, leaving the reader to ponder the true nature of guilt and innocence. In the end, the investigation remains unresolved, with the members of the Crimes Circle left to reflect on their findings and the moral dilemmas they have encountered. The story concludes with a sense of ambiguity, highlighting the intricate web of human relationships and the often-blurred lines between right and wrong.
By Anthony Berkeley · First published 1929 · Genre: Mystery, Crime, Detective Fiction · 18 chapters