Chief medical examiner Kay Scarpetta is the reluctant star witness in a sensational murder trial when she receives shocking news. The judge's sister has been found dead. At first glance, it appears to be a home invasion, but then why was nothing stolen, and why is the garden strewn with dead plants and insects?

Although there is no apparent cause of death, Scarpetta recognizes tell-tale signs of the unthinkable, and she knows the worst is yet to come.

The forensic pathologist finds herself pitted against a powerful force that returns her to the past, and her time to catch the killer is running out .