"… her writing is unsurpassed."
In this tenth book about Temperance Brennan the story is set largely in Quebec but begins in Tempe's childhood spent in Carolina and involves a friend who disappeared when aged fourteen. Tempe's relationship with Andrew Ryan is on hold as he tries to become a father to his newly discovered daughter, Lily. As this involves him getting together again with Lily's mother, who's separated husband, Pete, is asking for a divorce, Tempe is ready to throw herself into her work.
The discovery of an unidentified New Brunswick skeleton of a teenage girl provides the opportunity. In her mind Tempe links this skeleton with her childhood friend. Ryan is also busy investigating the deaths and disappearance of seven teenage girls. The story unfolds with a background of pornography and childhood prostitution.