Since Lynley's arrest and suspension for threatening a suspect, Havers has been without a partner. She begins a new case in Kent alongside the heavily pregnant, no-nonsense Detective Inspector Fiona Knight. Together, they investigate the murder of Edie Covington, whose body has been discovered in a local lake.

When a key witness is murdered, Lynley and Havers find their case against violent criminal Michael Shand crumbling around them.

When aspiring lawyer Emily Proctor is found axed to death in Hyde Park, Lynley and Havers are drawn to the chambers of human rights lawyer Tony Wainwright and his clerk Hester Reed. Wainwright's passionate temper and a concealed affair with the victim seem to place him as the main suspect, but when Emily's double life is exposed, Lynley and Havers enter a world of internet porn and a family haunted by secrets.

When former war photographer Peter Rooker is shot, a murder trail from tabloid newspaper mogul Eddie Price and editor Melissa Booth is traced back to a family executed by the Serbian militia in Bosnia. When Lynley asks his wife Helen to assist him with unlocking the psychological history behind the killing, he sets in motion a tragic trail of events.