Boardwalk Empire returns in a big way as Nucky's smooth operation is under attack...from inside.
Jimmy, Eli, and the Commodore nearly kill Chalky White when they shoot up his distillery, disguising their efforts as a KKK hate crime. Chalky ends up killing one of the white supremacists and Nucky has to work all of his political magic to keep his business partner from swinging for the crime.
Margaret's son Teddy develops an dangerous interest in fires, which gets him in trouble at school. Margaret has Nucky take a more active role as the boy's guardian, but Nucky gets tied up at work when he's arrested for election fraud.
Agent Van Alden successfully busts a restaurant for selling liquor while his wife visits for their 13th wedding anniversary. The two rekindle their romance, but once she returns home, Van Alden still has to deal with a very pregnant Lucy.