Capone has his first taste of the underworld in Brooklyn with Johnny Torrio; they reunite in Chicago and start bootlegging, earning the ire of local Irish gangsters.
A new mayor forces Torrio and Capone out of Chicago and into Cicero; Capone's brother Frank fixes an election and gets himself in hot water.
Peace ends in Chicago when Torrio and Capone seek revenge against the Irish gangs; the "Beer Wars" put Capone on top.
When Capone asserts his power via the St. Valentine's Day Massacre, President Hoover takes notice; Eliot Ness decides to take on Capone.
Zeus is sentenced to his fate in the Underworld while Heron visits the land of his birth; Seraphim is fueled by vengeance and unleashes wrath upon an enemy.
In Capone's absence, Frank Nitti, Paul Ricca and Joe Accardo take over the empire; a Hollywood scandal presents Sam Giancana with a chance to prove himself.
Joe Accardo heads to Las Vegas; the Outfit is in trouble when Sam Giancana provokes a young attorney named Robert F. Kennedy.