Strike is approached by a woman asking for help to find her mother, Margot Bamborough, who went missing in 1974 when a psychopathic serial killer stalked the streets.
Putting aside gnawing doubts about her marriage, Margaret continues with her plan to secure her claim to Inveraray Castle.
Heiress Margaret Sweeny is in the midst of a divorce when she meets the dashing (and married) Ian Campbell, future Duke of Argyll.
