Dr. Peter Zak is obsessed with finding the stalker who is terrorizing his new intern Dr. Emily Ryan and sets out on a trail of escalating violence as it leads him into dark and deadly places too close to home. Obsessed with isolating a cure to a fatal brain disease that could mean international recognition and millions of dollars, researchers will stop at nothing, break every rule, use every deviant act-including mutilation and murder-to achieve their goal. Bent on destroying the vicious web of deception, sexual jealousy, and death that threatens Ryan and the lives of his patients, Dr. Peter Zak must expose the deviant killer even if he has to risk his own life to do it...