Sarah and Meagan Davis are cousins in a grade 12 geography class that sets out on a three-day hike along the Snake River. Their plan is to experience wilderness survival as they trek along the rocky and scenic trails that lead them to an exciting day of white water rafting. The great finale will be the last night at the Resort Hotel where America's hottest idol will entertain them.
But their fun adventure quickly becomes a horrific nightmare as unexpected storms rage against them provoking a deadly mudslide. Amid personal conflicts, they face the wrath of nature and their drive now becomes a desperate fight for survival.
Sarah must use every skill she has to overcome her fears and work with her surviving teammates to rescue the victims of the mudslide in a tense race against time.