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.

Holliday Grainger, Tom Burke, Abigail Lawrie, Fionnula Flanagan, Ian Redford, Jonas Armstrong, Linda Bassett, Ruth Sheen, Samuel Oatley, Sophie Ward, Sutara Gayle