Fleeing to Atlanta to seek refuge in the aftermath of a violent act, Sara Linton becomes unwittingly enmeshed in a case involving a tortured young ER patient, a situation that is investigated by special agents Will Trent and Faith Mitchell.

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...

Grant County medical examiner Sara Linton and Georgia Bureau of Investigation Special Agent Will Trent have their work cut out for them when the prime suspect in a shoreside murder winds up dead in his holding cell.

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

When medical examiner Sara Linton and her ex-husband, police chief Jeffrey Tolliver, discover the body of a teenage girl buried in the woods of Grant County, Georgia, their investigation takes them on a terrifying path that leads to a deadly secret.