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.
The fate of the Outfit lies in the hands of two men at odds with one another as Joe Accardo and Sam Giancana have a falling out; Joe Accardo ties up loose ends before he retires.
Charles "Lucky" Luciano teams up with Meyer Lansky and Bugsy Siegel in New York, and during prohibition, he makes a fortune.
Charles "Lucky" Luciano gains power in the New York underworld during prohibition; when two bosses start a mob war, Luciano plans to kill them both.
"Lucky" Luciano takes over the mob, organizing the Five Families, but as his power increases, so does interest from the Feds.
Luciano's decision to enter the prostitution business gives Thomas Dewey the chance to arrest him and put him on trial.
As World War II begins, Charles "Lucky" Luciano is asked to aid the military in the invasion of Sicily; Dewey considers allowing Luciano to fight.
Vito Genovese and Carlo Gambino make their move; when Genovese becomes a liability, Luciano must choose his successor.