Boardwalk Empire

Corrupt kingpin Nucky Thompson carves out a brutal niche in Atlantic City as it heads into Prohibition.

Nucky deals with the fallout from Jimmy's rogue heist, sending his brother Sheriff Elias Thompson to sow the seeds of doubt in the widow Schroeder's mind. Margaret seeks help in the wake of her husband's demise.

An unlikely witness threatens to expose Jimmy as a perpetrator of the woods massacre. As Nucky reevaluates his relationship with Lucy, Margaret starts a new job. Chalky's team pays a heavy price.

In Chicago, Jimmy finds himself increasingly at odds with the hot-headed Al Capone. Back in Atlantic City, Nucky looks to leverage his political relationships. Later, at Nucky's birthday party, Margaret impresses as Lucy tries to protect her territory.

Nucky's attempts to usher in a joyous St. Patrick's Day are undermined by Eli, Margaret and Van Alden. Arnold Rothstein worries about his role in the fixed World Series. Jimmy copes with the aftermath of a vicious attack orchestrated by Charlie Sheridan.

Nucky turns up the heat on Lucky Luciano after a boardwalk theft. An emboldened Margaret stands up to Lucy. In Chicago, Al Capone's frustration over family issues spills over into his relationship with Jimmy.

Nucky purges some bad childhood memories. Jimmy forges a new alliance with a fellow veteran. Chalky considers a liquor proposition that would eliminate Nucky as the middleman.

While visiting Chicago during the Republican National Convention, Nucky gets some alarming news from Atlantic City.

Nucky braces for war with a rival faction as Jimmy stands by his alibi. Margaret helps out Madame Jeunet.

Nucky asks Margaret to toe the party line. Angela witnesses Jimmy's dark side, as Capone faces a crossroads. Van Alden deals with his emotions.

Nucky shakes up the status quo, and Jimmy deals with some tricky family issues. Van Alden addresses Agent Sebso's 'temptations.'

In the Season One finale, Nucky and Atlantic City brace for change on Election Day as Torrio brokers a deal between two nemeses with far-reaching consequences. Jimmy ponders his future, as do Margaret, Agent Van Alden and Eli.