The monster you think may kill you can one day save your life.
18 months ago, Army veteran Shawn Livingston was strung out on heroin, battling PTSD and addiction, and facing a 20-year prison sentence. Today, he is preparing for the race of his life: a 100-mile trail race through the rugged terrain of the Appalachian Mountains. The prize: his family, his recovery, his redemption, and his life.