When an heiress (Kim Cattrall, Sex and the City) is brutally murdered, all the evidence points to her young lover (Billy Howle, On Chesil Beach), but he insists to his solicitor (Toby Jones, Detectorists) that his wife (Andrea Riseborough, Bloodline) can prove his innocence in this “thrilling” (EW.com) Agatha Christie adaptation.
