'The Battle For Chicago' takes you back to 1929, when 30-year-old gangster Al Capone ruled both Chicago's underworld and its corrupt government. To a public who scorned Prohibition, 'Scarface' became a local hero and national celebrity. But after the brutal St. Valentine's Day Massacre transformed Capone into 'Public Enemy Number One,' the federal government found an unlikely new hero in a 27-year-old Prohibition agent named Eliot Ness. Chosen to head the legendary law enforcement team known as 'The Untouchables,' Ness set his sights on crippling Capone's criminal empire.