When a murder occurs on the train on which he's travelling, celebrated detective Hercule Poirot is recruited to solve the case.
In 1926, with her personal life in tatters and her writing in crisis, a young Agatha Christie decides to solve a real-life murder.
A small town in the south is ravaged by a serial killer, with everyone being a suspect including the police.
While on vacation on the Nile, Hercule Poirot must investigate the murder of a young heiress.
A woman who has lost her memory is taken in by a Los Angeles orphanage, and a private eye is enlisted to track down her identity, but he soon finds that he might have a past life connection to her that endangers their lives.
A detective investigating a man's death in the mountains meets the dead man's mysterious wife in the course of his dogged sleuthing.
