Four lost hikers are about to discover they're capable of something extraordinary. Nola has gone up the mountain to commemorate her wedding anniversary, the first since her beloved husband passed. Blonde, stick-thin Bridget is training for a triathalon. Vonn is working out her teenage rebellion at eight thousand feet, driven by family obligation and the urge to escape her mistakes. Still reeling from the tragic accident that robbed him of his best friend, Wolf Truly is the only experienced hiker among them, but he has come to the cliffs on his eighteenth birthday without food or supplies because he plans to take his own life. When a series of missteps strands this unusual group together in the wilderness, they soon realize that their only defense against the brutality of nature is one another. As one day without rescue spirals dramatically into the next, and misadventure turns to nightmare, these four broken souls begin to form an inextricable bond, pushing themselves and one another further than they ever