After a summer fighting wildfire, park ranger Anna Pigeon is enjoying a weekend away camping in Minnesota's National Park with her girlfriends. Leah Hendricks is the genius behind a high-end sports gear manufacturer and Heath Jarrod has volunteered to test out some of the equipment. But when they encounter a band of violent kidnappers little do they realize that their ultimate challenge will be to stay alive. Anna Pigeon, a ranger for the U.S. Park...