Based on the actual 11-day disappearance of famed mystery writer Agatha Christie in 1926, the film fictionalizes her whereabouts during that time. When her husband announces that he is leaving her for another woman, Christie creates a mystery out of her own life by hiding in a Harrogate hotel and plotting revenge on her spouse while all of England searches for her. The reporter who finds Christie tries to foil her plan and finally falls in love with her. 犬神剧情在Rosie Larsen的案子结束一年之后,Sarah Linden已经辞去了警察的工作。但是她的前搭档在Stephen Holder一次寻找失踪少女的案件中,无意间发现了一系列恐怖的谋杀案,而这些谋杀案都指向了Linden曾经调查过的另一件案件。Linden不得不拾起旧事,重温当时的梦魇……