A Georgia Bureau of Investigation search into a shocking crime from 1975 poses unprecedented personal and professional challenges for top agent Will Trent, who encounters threats against his life and everything he thought he understood about his past.

"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...