When Mark, the father David scarcely knows, arrives to take him on a weekend fishing trip, David is tense and nervous. His parents have been separated for years, and David wonders if his rugged, outdoorsman father is testing him in some way.But the weekend turns out to be an adventure that neither one of them has planned on. A giant grizzly bear forces David up, a tree, then attacks Mark, eats their provisions, and puts their pickup truck out of commission. David must take charge. He finds a strength in himself he never thought he had, and in taking care of his seriously injured father starts to overcome his fear of him. There's only one problem: Can David get himself and his father out of the forest in time?