In Sophie Hannah's thrilling continuation of Agatha Christie's beloved series, Hercule Poirot receives a bizarre series of letters, each accusing him of a murder he has no recollection of. As more letters arrive, and the accusations become more specific, Poirot realizes he must unravel the mystery of who is sending these messages and why. He discovers that four seemingly unconnected people have also received similar letters, all connected to a single victim. With his unparalleled deductive skills, Poirot delves into a complex web of deceit and past secrets to clear his name and expose the true culprit behind these unsettling accusations. This novel brilliantly captures the essence of classic Poirot.