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.
Ruth Bradley , Pippa Haywood , Dean Andrews , Bebe Cave , Blake Harrison , Tim McInnerny , Luke Pierre , Samantha Spiro , Ralph Ineson , Michael McElhatton
DSP
