A woman is stalked by a psychopathic killer. She eventually kills him, only for the man to show up again, this time sane and without any knowledge of the attacks. The police don't believe her, but one detective agrees to look into it.
Cole Hickel, a Marine, pursues his daughter's killer when he is allowed to go back to Paraguay because of "diplomatic immunity."
A serial killer is on the loose, and a cop must track him (or her) down.
