Heather Dunbar goes for the jugular, forcing Claire to confront her worst fears. The rift between Frank and Claire widens.

In the midst of the Iowa caucuses, Frank and Claire must confront hard truths about each other.

Frank needs to deal with Petrov one on one while Claire tries to preserve the peace-keeping mission. Sacrifices must be made.

Things turn ugly when Frank, Jackie, and Heather square off during their first debate. Tom joins Claire on the campaign trail.

A rocky start for the Underwood Presidency. Frank wants to introduce an ambitious jobs program, while Claire sets her sights on the United Nations.

In the wake of a surprising announcement, everything at the White House is shaken up. A decision must be made about whether to go to war.

As the hostage situation continues, Claire secretly negotiates with Yusuf al Ahmadi. Frank confronts Hammerschmidt.

Francis faces annihilation while the nation is in an uproar. Stamper must tie up loose ends. Claire feels the cost of ruthlessness.

Frank scrambles to keep his plan on track. Gillian is planning to sue Claire. Zoe, Janine, and Lucas investigate Rachel Posner and her relationship with Peter Russo.

Francis heads for his hometown to deal with a crisis. Zoe negotiates the politics of being a journalist on the rise. Claire finds herself a new business partner.

Collingridge is in deep political trouble and he has no alternative but to step down as Prime Minister. Ironically, he still has great faith in Urquhart, whom he feels is…