一向暗流涌动的唐顿庄园突然接到一封意外信件，英国皇室即将造访。当象征着大不列颠最高权力的国王夫妇来到这座偏安一隅的乡间宅邸，等待唐顿庄园主人们的将会是怎样的挑战；当两种都以高冷优雅、荣誉体面为毕生追求的人群相遇，又将发生怎样意想不到的碰撞？

Henry Fallon, who is wheelchair bound and is suffering from a neurological disorder, apparently commits suicide and Morse has mixed feelings working on this case as he was once engaged to the dead man's wife, Susan Fallon. The body was found by his son-in-law Peter Rhodes, a local antiques dealer and the victim's wife was in London. When Fallon's doctor advises Morse that Henry didn't have the physical capability to hold a gun to his head, the police realize they may have a murder on their hands. When the police are told that the business arrangement between Fallon and Rhodes had fallen apart, they also have a suspect. Lewis is concerned that Morse is too close to Mrs. Fallon to be objective but in the end, the perpetrators are identified.

伊芙是一名无聊、聪明、薪水不菲的军情五处安全官员，她的办公室工作无法满足她成为间谍的梦想。薇拉内尔是一名善变、才华横溢的杀手，她沉迷于暴力工作给她带来的奢侈享受。当他们相遇时，一切都变了。