On his last tour in Afghanistan, Sergeant John Kinley teams up with interpreter Ahmed to survey the area. When their unit is ambushed during a patrol, Kinley and Ahmed are the only survivors. As enemy fighters pursue them, Ahmed risks his life to carry an injured Kinley to safety. Back on American soil, Kinley learns that Ahmed and his family have not been granted the opportunity to enter the United States as promised. Determined to protect his friend and repay his debt, Kinley returns to the war zone to retrieve Ahmed and his family.