Ari Nicholls has always been a fighter for as long as she can remember. Protecting the innocent, battling what her father would call, 'the evil'. For years, they chased one in particular. Someone, something so cruel that when her father died, with his last breath he made her promise to track the creature down and finish what they started. Too bad for Ari that she's not the only one out there hunting and if she's not careful, it could cost her the most precious thing she owns - her life.