An idyllic weekend camping trip is cut short when Reese Wallace's friends are brutally murdered. As the group's only survivor, Reese is the prime suspect, and his story doesn't make much sense. A disembodied voice warning him to leave the campground the night before? A strange, blackened tree that gave him an electric shock when he cut it down for firewood? Detective Greyeyes isn't having any of it--until she hears the voice herself and finds an arrowhead...