Haunted by a child-snatching job in Munich that went wrong, Brodie is determined to atone for his mistake - and gets the chance when the search for a woman's birth parents leads him into the dark heart of 1970s police corruption and murder. The case crosses paths with that of Tracy Waterhouse, a store detective who witnessed a mother abusing her young daughter, presenting the PI with a moral dilemma - should he do what he feels is right or just walk away?