Friend or Foe? THE BODY A young woman murdered in the changing room of a local supermarket. A suspected terrorist incident. And there may be a serial killer at work. THE ENEMY WITHIN There are no easy answers, and it soon becomes apparent that someone in his team is leaking information. Loyalties increasingly strained, answers remain just out of reach. THE ENEMY WITHOUT Confusion and paranoia reign supreme, and Grant's personal life starts to spiral out of control. With the killer almost within his grasp, he finds himself in mortal danger. Will he be the final victim?