This Vintage Series, Set In Prohibition-era Chicago, Pits The Maverick Lawmen Known As The Untouchables Against Mobsters Holding Court Against Any And All Challengers. Federal Agent Eliot Ness And His Men, Who Were Responsible For Al Capone's Downfall, Now Go After Frank Nitti, Capone's Main Enforcer, As Well As A Slew Of Other Mobsters And Incorrigibles.