To improve the quality of their illegal alcohol, the mob has started to import master brewers from Germany and smuggling them over the Canadian border. Ness learns of this from a dying gangster and sets out to stop the flood.
Frank Nitti calls for a gang war against Bugs Moran and the weeks that follow result in the bloodiest era in Chicago history, ending in the St. Valentine's Day Massacre. Eliot Ness must stop the violence before more innocent people are killed.
With Prohibition over, the mob moves it's attention to narcotics. This doesn't lower the violence in the city of Chicago and Eliot Ness turns his focus on stopping the supply line of drugs.
Three months of intensive investigation is paying off for Eliot Ness and The Untouchables as they have "Smiley" Barris cornered in an upper floor of an Eastside tenement. Barris is apprehended but before he can talk, a sniper's bullet takes him out, leaving Ness with a busted investigation and back at square one.moreless
Only the mob would think of using a soup kitchen as a front for white slavery. But this is Chicago and gangsters will do anything to make money, as Eliot Ness knows only too well.
Starting with licenses for the lucrative eating franchises at the upcoming Chicago World's Fair, mobsters are soon killing each other off or setting one another up to get hold of those licenses. All the while, Eliot Ness is sued for slander against a mobster as the body count rises.
Eliot Ness goes after Pete Kalmisky, Al Capone's former bodyguard, and Alan Sitkin, who have formed a partnership with railroad man Joey December to smuggle Canadian booze into the country on his trains.
Slot machines are big business in the Windy City during prohibition. Two years prior, Eliot Ness had run the slot machines, then run by Augie Viale, out of Chicago. Now the slots are back and Ness must start all over again.
With booze legal, the racket czars step up their dealings in narcotics. Maggie Storm runs the 808 Club and she's the featured entertainer. But the mob wants her to start selling drugs in her place. In steps Ness but he doesn't scare the syndicate.
Victor Rait is a Chicago drug lord who likes danger. But the danger he likes is about to reach out and affect a whole lot of lives, including those belonging to Eliot Ness and the Untouchables.
Eliot Ness and crew are called in to work what would become known as The Great Train Robbery, where two men are murdered during the heist of $750,000 worth of payroll money sent through the mail.
Eliot Ness cracks down on the producers of "near beer", a .5% beer that is legal to be sold, only usually when it's bought, it's back up to the full 4%.
A blood war is about to break out between a neighborhood of gypsies and one of Capone's distributors of rot-gut after a gypsy dies. In the middle of this explosive situation is Eliot Ness, who wants to help the gypsies but they insist on taking matters into their own hands with disastrous results.moreless
When a new device makes results of horse races easier and quicker to deliver, the mob wants to get their hands on it quickly. Ness has to go undercover in San Francisco bust open the syndicate that is plotting to steal the race wire.
A comedian in a Chicago club who wants out of his association with the mob wants to help Eliot Ness put his boss away so he can go legit and hit the big time. But his dream on freedom is short lived and Ness goes after those responsible.
Nitti starts a war against those who are serving top line Canadian whiskey instead of his cheap rotgut. Eliot Ness must either arrest him or kill him before the streets are flooded with blood.
An enterprising trio of crooks set up an employment agency for thugs: the National Personnel Services, Inc. which finds "work" for torch men, fuse men, acid men, trigger men, etc. Eliot Ness must find a way in to the organization so he can shut the doors for good.
Big-time gangster Joe Palakopolous takes out Nitti's Canadian whiskey supplier and moves into a small Canadian coastal town to personally supervise the deliveries. While Nitti deals with Palakopolous, Eliot Ness sends in Agent Ned Ferber to work undercover and help bring down the smuggling operation
The Syndicate goes after New York bakeries and sends Bull Hanlon to "convince" the biggest independent baker, Adam Stone, to sign up. Ness and his team try to convince Stone to rally the bakers against the mob but Stone plans to fight on his own.
Mobster Lou Mungo stages a hit on a federal agent fighting corruption bringing Eliot Ness and the Untouchables onto the case. To bring down Mungo, Ness must tie him to the murder.
An anonymous tipster, cab company owner Nick Dolov, is keeping Ness apprised of Nitti's heroin shipments into the Windy City, but has an ulterior goal: he's stolen some of the heroin and uses it to make a deal with Nitti. Meanwhile his wife Georgiana has plans of her own and they don't involve Nick.moreless
When a tipster leads Ness to the location of Nitti's distilleries, Nitti brings in Walter Trager, "The Leaker", who tracks down and disposes of stoolies for good. However, Trager has plans of his own for taking over Nitt's mob...and Trager's widowed sister Billie has a scheme of her own too.
Morton Halas is a successful defense lawyer on commission to the Mob, but he's caught in the middle when one of his clients, Larry Coombs, decides to knock off Halas' other client, Big Mike Probich. When Ness catches Combs, Halas defends Coombs and "persuades" an innocent man to take the rap.moreless
Ex-con Matt Bass and his partner Jason Fiddler approach mobster Frank Nitti with the perfect scheme to deliver illegal booze to central Chicago, with Eliot Ness ready to break up the partnership.
The Genna Brothers establish themselves in Chicago's Little Italy as a force to be reckoned with, distributing illegal booze. To take them down, Eliot Ness turns to Carlo Giovanni, a community leader with an attractive daughter who is involved with the youngest Genna brother, Angelo.
Eliot Ness and the Untouchables go after Alexander Rader, a drug dealer who uses a carnival as a cover for his operations. Nitti sends in his man Arnold Justin, a former cop, to make a purchase, but the drugs disappear and Nitti figures that Justin has turned against him.
By the summer of 1933, a new wave of crime had engulfed Chicago and due to a public outcry for action, Willard Thornton is appointed as a new commissioner to clean up the town. But Thornton's appointment proves to be a "thorn" in Eliot Ness's side.
When mobster Nate Selko is unable to bribe Eliot Ness, he sets up the agent in a phony shootout and makes it appear that Ness shot an unarmed man. Now Ness must clear his name and stop the Mob's scheme to take control of nickel-and-dime punchboards.