Sent to Macon for an undercover mission to infiltrate a drug and prostitution ring, Georgia Bureau of Investigation Agent Will Trent hides the facts about his latest assignment from his girlfriend, Sara Linton, when the stakes prove higher than any he has yet encountered.

On a serene summer Sunday, a routine admission for a run-of-the-mill surgery at Atlanta's Emory Hospital goes tragically wrong, setting off a catastrophic wave of destruction that sends the facility and the surrounding area into lockdown. One of the city's largest and most prestigious institutions, Emory is situated near the Centers for Disease Control, the FBI counter-terrorism headquarters, and a large children's hospital. Anything that happens...

A victim was buried alive in the Georgia woods--then killed in a horrifying fashion. When medical examiner Sara Linton and her ex-husband, police chief Jeffrey Tolliver stumble upon the body, both become consumed with finding out who killed the pretty, impeccably dressed young woman. And for Sara and Jeffrey, a harrowing journey begins, one that will test their own turbulent relationship and draw dozens of lives into the case.