The meticulously dismembered body of a woman is discovered in the grounds of an abandoned monastery.
Enter Dr Temperance Brennan, Director of Forensic Anthropology for the province of Quebec, who has been researching recent disappearances in the city.
Despite the deep cynicism of Detective Claudel who heads the investigation, Brennan is convinced that a serial killer is at work. Her forensic expertise finally convinces Claudel, but only after the body count has risen...
Tempe takes matters into her own hands, but her determined probing places those closest to her in mortal danger. Can Tempe make her crucial breakthrough before the killer strikes again?