Players step into the shoes of Hercule Poirot, the renowned Belgian detective, in this point-and-click adventure based on Agatha Christie's acclaimed mystery novel. When a mysterious criminal begins sending Poirot cryptic messages boasting of upcoming murders—each scheduled to occur in towns following an alphabetical sequence—the detective embarks on a journey across England to investigate crime scenes and confront a growing list of suspects. As the killer's plan unfolds with methodical precision and each prediction proves disturbingly accurate, Poirot must rely on his legendary observational skills and sharp intellect to identify the murderer and halt the deadly pattern before more victims fall. The investigation demands careful examination of evidence, probing interrogations, and logical reasoning to connect disparate clues and reveal the identity of the killer.