Tempers heat up as Gil John's wife Maddie arrives to help him prepare for his upcoming debate with Digger Mancusi. Meanwhile, Louis continues to recover in the hospital and Senator Armiston leads an ethics committee investigation against Robert.

Louis continues to gain constituent support as Shelby chronicles his recovery. Gil John faces Digger Mancusi in a town hall where he struggles to keep up with his polished and well-liked opponent, despite much help and coaching from Robert and Andy.

While on the campaign trail through North Carolina, Gil John blows off a meeting with the governor to visit Ruby Shoals where he becomes re-inspired about his campaign. Robert's pro-fracking visit to a constituent's home in Pennsylvania does not go as planned.

Robert proves to the ethics committee that he would never take a mohair suit while Andy prepares to deliver a rebuttal after the State of the Union. Louis is put in the spotlight on his first day back when James mistakenly tweets a photo intended for Lola from the wrong account.

When another senator dies unexpectedly, Gil John is asked to organize the funeral arrangements. Louis wins the Nevada primary but Robert has to face off in a Pennsylvania debate to cool the competition.

Gil John helps a former player become a war hero, and quickly regrets it. Robert hosts an engagement party for his latest matchmaking success, but isn't prepared for the surprise guest.

Gil John pays a visit to the Watt brothers, Louis worries when an old college friend threatens to share stories, and Andy tries to talk his way out of "Gaffergate," only to learn he's got bigger image problems.

After a break-in at the Alpha House, the NSA does a sweep, and gets suspicious -- which lands Robert a new covert mission. Meanwhile, Gil John goes to bat for the women's caucus bill, earning him a whole new following. And Louis's aides inspire him to publicly "evolve" on gay marriage, much to their chagrin.

Gil John gets attacked by Sarah Palin and embraced by the media. Pressured by the party chair, Louis nudges Julie to consider a big wedding. Robert is forced to kiss up to his ex-wife's new beau, but gets some help from Rosalyn.

As the election returns come in, Gil John meets with a presidential campaign advisor, while Robert wonders if he still has a job. Katherine and Julie discover their wedding has been turned into a major political event -- after they arrive.