“The Ivory Tower” is the second episode of the first season of the HBO television series Boardwalk Empire, which originally aired September 26, 2010. The episode was written by series creator and executive producer Terence Winter and directed by executive producer Tim Van Patten.
Nucky is paid a visit by Agent Nelson Van Alden. Jimmy is forced to pay Nucky a larger sum of money. Margaret is visited by Van Alden and Eli, each seeking a different side of her story as to the death of her husband.