On a luxurious train speeding through the snow-covered lands of Europe, a group of passengers from diverse backgrounds becomes embroiled in a mysterious murder. The famous Belgian detective Hercule Poirot, known for his cunning and wit, boards the train hoping to enjoy a peaceful journey, but his plans soon fall apart. In the middle of the night, the American businessman Samuel Ratchett is found dead in his compartment, stabbed multiple times, with no clear clue as to who could have committed the crime.
As the snow covers the tracks and the train becomes trapped, Poirot becomes the sole person in charge of solving the case. He begins to interrogate the passengers: a troubled actress, an aristocratic colonel, a lady's maid, and several other intriguing characters, each with their own story and secrets. With each testimony, Poirot uncovers a web of lies, deceit, and unexpected connections.
Through his keen observation and methodical logic, the detective delves into a psychological game where nothing is what it seems. As he approaches the truth, all of the suspects appear to have motives. In a suspense-filled climax, Poirot reveals his astonishing conclusion, leaving everyone stunned and forcing us to question the very nature of justice. Without a doubt, this train journey becomes an unforgettable experience, full of twists and surprises.