It's June in Montreal, and Dr. Temperance Brennan, who has left a shaky marriage back home in North Carolina to take on the challenging assignment of Director of Forensic Anthropology for the province of Quebec, looks forward to a relaxing weekend in beautiful Quebec City. First, though, she must stop at a newly uncovered burial site in the heart of the city. The remains are probably old and only of archeological interest, but Tempe must make sure they're not a case for the police. One look at the decomposed and decapitated corpse, stored neatly in plastic bags, tells her she'll spend the weekend in the crime lab.

As a sniper with the elite Massachusetts State Police SWAT Team, Bobby Dodge saved a woman and her young son by shooting her armed husband. But vicious rumors begin to circulate the next morning when Bobby loses his gun and his privileges. It turns out the dead man was the son of a prominent Boston judge and had accused his wife of poisoning their son.

One look at the decomposed and decapitated corpse, stored neatly in plastic bags, tells Temperance Brennan she'll spend the weekend in the crime lab. Something about the crime scene is familiar to Tempe: the stashing of the body parts; the meticulous dismemberment. As a pattern continues to emerge, Tempe calls upon all her forensic skills, including bone, tooth/dental, and bite mark analysis and x-ray microflourescence to convince the police that the cases are related and to try to stop the killer before he strikes again.

Four young women have been found murdered—tortured and strangled in their own beds—all victims of the same brilliant monster. Using a skilled hand and the latest technology in forensic medicine, Kay Scarpetta begins the process of gathering the microscopic clues the latest battered body has to give.

Alex Cross is a homicide detective with a Ph.D. in psychology. He works and lives in Southeast D.C. and looks like Muhammad Ali in his prime. He's a tough guy from a tough part of town who wears Harris Tweed jackets and likes to relax by banging out Gershwin tunes on his baby grand piano. But he also has two adorable kids of his own, and they are his own special vulnerabilities.