Why would US military veterans take up arms against the country they swore an oath to protect? Through gripping personal perspectives from all sides of this ongoing crisis, Against All Enemies goes deep inside the violent extremist movement in America, alongside the Proud Boys, 3 Percenters, and with never-before-seen footage of the Oath Keepers. These groups, organized and led by highly trained military veterans, pose one of the greatest threats to the United States today.