When small pranks and acts of destruction escalate into the heartless killing of Lil*s beloved cougar, recollections of an unsolved murder in these very hills have Coop springing to action to keep Lil safe. Lil and Coop both know the natural dangers that lurk in the wild landscape of the Black Hills. But now they must work together to unearth a killer of twisted and unnatural instincts who has singled them out as prey.