![Apt Pupil](https://i0.wp.com/3amovies.com/wp-content/uploads/2024/05/pU3fvfSvrs5pZFdODPCzoLk95Ws.jpg?resize=185%2C278&ssl=1)
England, December 1926. Although her personal life is in tatters, the famous writer Agatha Christie decides to leave everything behind to help unravel an unsolved murder committed on a train six years ago, unable to imagine the disproportionate consequences that such a selfless act will cause.