"One year after a random shooting changed their family forever, Nora and her father are exploring a slot canyon deep in the Arizona desert, hoping it will help them find peace. But when they reach the bottom of the canyon, the unthinkable happens: a flash flood rips across their path, sweeping away Nora's father and all of their supplies. Suddenly, Nora finds herself lost and alone in the desert, facing dehydration, venomous scorpions, deadly snakes,...