Ashley and Jack, a new couple, decide to summit Mt. Whitney in the off season. They are determined to make the trip despite the snow that still covers most of the trail. During the hike, they are discovered by Jute and three other mysterious and sinister mountain men. The foursome develops an evil obsession with Ashley, scheming to kidnap her and make her one of their own. As they stalk and chase her down the mountain, Ashley must use her cunning and newfound courage to save her life.