Alex and Jenn are seen leaving the city in their SUV headed toward backcountry area. Jenn is seen throughout the beginning glued to her cellphone. They arrive at the visitor center and are greeted by the park ranger.  On their first night, deep in the forest, they have an unsettling encounter with Brad, a strange alpha male with eyes for Jenn who may or may not be following them. Alex';;s desire to quickly reach Blackfoot Trail only intensifies. They push further and further into the woods, Alex stubbornly insisting that he remembers the way.