Whether you’re a die-hard Agatha Christie fan or a casual moviegoer, the question of how to experience Hercule Poirot’s most famous case— Murder on the Orient Express —often comes down to one debate:

Just after midnight, the train is halted by a massive snowdrift in Yugoslavia. By morning, an American millionaire named Samuel Ratchett

English: Hercule Poirot decided to investigate the murder and began questioning the passengers. He spoke to Mr. Ratchett's family members, business associates, and other passengers who had interacted with him during the journey. As Poirot dug deeper, he discovered that many passengers had a motive to kill Mr. Ratchett.