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.

On an archaeological dig in Iraq, author Agatha Christie uncovers a series of murders.

As bombs fall on London, writer Agatha Christie decides it is time to kill off her most famous creation.

A reclusive billionaire invites six seemingly random strangers to his island estate in the south of England. Aspiring detective Miranda Green finds the mysterious invitation too alluring to pass up. When another guest turns up dead, Miranda must get to the bottom of the malicious plot behind the gathering.