"Murder on the Orient Express" is a classic detective novel by Agatha Christie featuring the famous Belgian detective Hercule Poirot. The story unfolds aboard the luxurious Orient Express train traveling from Istanbul to Calais when it is halted by a snowdrift. Within the confines of the train, a wealthy American passenger named Samuel Ratchett is found murdered in his compartment, the victim of multiple stab wounds. Poirot, who is also on the train, is called upon to solve the mystery before the train can resume its journey. As Poirot interrogates the various passengers on board, he uncovers a web of secrets and connections between them. Each character reveals their alibi and motives, leading Poirot to discover that nearly everyone on the train has a reason to dislike Ratchett. The suspense builds as Poirot pieces the clues together, showcasing Christie's masterful plotting and character development. The detective's keen observational skills and insightful deductions drive the narrative forward, culminating in a dramatic reveal. The resolution exposes the underlying themes of justice and morality, contrasting the legal system with the characters' pursuit of personal revenge. The novel is not only a thrilling whodunit but also prompts readers to consider deeper questions about guilt, innocence, and the complexities of human nature. Agatha Christie's "Murder on the Orient Express" remains a significant work in the mystery genre, celebrated for its intricate plot and unforgettable climax.