Investigating the killing of a prisoner during a riot inside a state penitentiary, GBI investigator Will Trent is confronted with disturbing information. One of the inmates claims that he is innocent of a brutal attack for which he has always been the prime suspect. The man insists that he was framed by a corrupt law enforcement team led by Jeffrey Tolliver and that the real culprit is still out there--a serial killer who has systematically been preying...