Medical examiner Sara Linton finds herself at the center of a terrifying hostage crisis when an assailant shoots down a police officer and wounds Sheriff Jeffrey Tolliver in the Grant County police station.

On a hot summer night, a scientist from the Centers for Disease Control is grabbed by unknown assailants in a shopping center parking lot. The authorities are desperate to save the doctor who's been vanished into thin air. One month later, the serenity of a sunny Sunday afternoon is shattered by the boom of a ground-shaking blast-followed by another seconds later. One of Atlanta's busiest and most important neighborhoods has been bombed-the location...

Investigating a brutal murder that eerily resembles another from years earlier, Will Trent reopens the case of a possibly wrongly convicted prisoner before teaming up with medical examiner Sara Linton to hunt down the true killer.