
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.

as Agatha

as Mabel

as Wade

as Daphne

as Travis

as Randolph

as Zaki

as Franklin

as Pamela

as Detective Inspector Dicks

as Sir Arthur Conan Doyle

as Rosalind

as Postmaster Wilson

as Mr. Todd

as Florence Nightingale Shore

as Sir Hugh Persimmion

as Carlo

as Archie

as PC Spencer