The busy summer season is drawing to a close in the little mountain town of Big Lake, Arizona and the locals are looking forward to a relaxing interlude before the first snowfall brings carloads of skiers to the high country. That all changes when a nearly nude woman rushes into a convenience store in the middle of the night begging for help. She tells Sheriff Jim Weber that her new husband has been murdered and she was taken captive by the mysterious killer, who seems to have disappeared into the thick forests of the White Mountains, touching off a manhunt for a phantom that cannot be found.