"The Clock Struck One" is a classic whodunit mystery that revolves around a murder that occurs precisely when the clock strikes one. The novel is set in a typically atmospheric environment, with Hume’s characteristic focus on intricate plotting and suspense.The story begins with the discovery of a dead body, and the main plot centers on unraveling the mystery of who committed the murder and why. The time at which the crime occurred—when the clock struck one—becomes a crucial clue in the investigation.