Strike realises that Margot’s killer is responsible for many other murders that have gone undetected, and lays a trap.
Spurred on by the father of a young woman who also went missing in the 1970s, the detectives attempt to outwit an incarcerated serial killer who may hold the key to the case.
A war veteran turned private detective operates out of a tiny office in London’s Denmark Street. Although wounded both physically and psychologically, his unique insight and background as a military police investigator prove crucial in solving complex crimes that have baffled the police. Based on the bestselling novels written by J.K. Rowling under the pseudonym Robert Galbraith.