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.
Agatha and the Truth of Murder is a 2018 British alternative history drama film about crime writer Agatha Christie becoming embroiled in a real-life murder case during her 11-day disappearance in 1926. Written by Tom Dalton, it depicts Christie investigating the murder of Florence Nightingale's goddaughter, Florence Nightingale Shore, which is based on real people and events, and how her involvement in this case influenced her subsequent writing.
