The story follows Sgt. John Kinley, who is on his last tour of duty in Afghanistan when is teamed with local interpreter Ahmed to survey the region. When their unit is ambushed on patrol, Kinley and Ahmed are the only survivors and with enemy combatants in pursuit, Ahmed risks his own life to carry an injured Kinley across miles of grueling terrain to safety. Back on U.S. soil, Kinley learns that Ahmed and his family were not given passage to America...