Drama based on the true story of Christopher Mc Candless, a young man who left his middle class existence to live in the Alaskan wilderness. Giving up his home, family, & all possessions bar the few he carries on his back, Mc Candless (Emile Hirsch) embarks on a journey through America. His ultimate goal is to reach the wilds of Alaska, to spend time with untamed nature, away from the obligations & relationships of the modern world. In the months leading up to his ' Great Alaskan Adventure' his travels take him on a journey of self-discovery, where he learns to appreciate the world around him & to reflect on his troubled upbringing. When he reaches Alaska he finds he is ill prepared for the hardships to come. After making it through a tough winter he prepares to return home in spring, only to find the stream he crossed in the snow has become an impassable raging torrent & that he is trapped...