The year is 1892. While touring Britain with her production of Macbeth, the famous American actress, Carola LeFevre, receives an anonymous death threat. Detective Sergeant John Billings from Scotland Yard is appointed as her personal security guard. Billings is thrown into a theatrical world of gossip, intrigue and temper tantrums, but things take a darker turn when the tour heads for Edinburgh. A great tragedy befalls Miss LeFevre and Billings becomes...