Bombshell finally celebrates its opening night; nervous about reviews, Ivy finds solace in an unlikely source; Julia's excited about a new project for her and Tom, but Tom may be hiding a secret; Karen finds out about Jimmy's past; after letting go of Richard, Eileen recruits Agnes (Daphne Rubin-Vega) to revamp the show's press campaign ahead of the Tonys, as Scott and Derek announce a major move forward for Hit List.
When Ivy has an unfortunate incident at the final dress rehearsal for Bombshell, she's forced to make a difficult decision; after a talk with Julia, Derek sees Hit List in a new light and makes changes ahead of a Times-critiqued stumble-through, which might not sit well with Karen and Jimmy; Derek reveals a secret to Karen; a surprising Times article is released.
The spy couple are set the seemingly impossible task of bugging the Defense Secretary's study before a crucial meeting in 6 days time.
Karen becomes best friends with Rebecca Duvall (guest star Uma Thurman). Meanwhile the tension between Tom and Derek rises.
The arrival of Rebecca Duval does not go well and "Bombshell" is turned upside down. This leads to Ivy and Karen to try and overcome their history as they unite against their new rival. Meanwhile, Tom and Sam's blossoming romance heats up.moreless
Sara enlists Neal's help to find a Stradivarius that has gone missing.
Margaret tries to help Madame Jeunet with her money troubles by speaking with Nucky. Jimmy is forced to return to Chicago to deal with the D'Alessio brothers and Nucky gets ready for war with a rival factionmoreless