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 telltale 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...