Nucky visits Chicago as a delegate for the 1920 Republican National Convention, where he finds himself intrigued by the candidacy of Warren G. Harding over more established candidates, including the presumed front-runner Leonard Wood.

Discovering that the married Harding has a daughter out of wedlock with a young woman named Nan Britton, Nucky persuades campaign manager Harry Daugherty that he can deliver the votes of the New Jersey delegation in exchange for Daugherty blocking Senator Edge's nomination for the vice-presidency, as Nucky is eager to exact revenge on Edge for refusing to give him the road funds for Atlantic City.

Nucky stops by the Four Deuces; while conversing with Torrio and a federal judge from Ohio, Jimmy comes downstairs to deal with an unruly guest and runs into his old patron.

Back home, while collecting money at an illegal casino, Eli walks into an armed robbery by the D'Alessio brothers and sustains a bullet wound while trying to stop them from escaping.

Margaret has a public spat with Lucy and finds herself entangled in Nucky's affairs when he calls from Chicago and asks her to hide a ledger that contains every detail of his criminal empire.