To avoid being investigated, President Francis Underwood uses the Islamic Caliphate Organization (ICO) as a means to stir up fear of terrorism.
Claire receives disconcerting news about an old friend of Francis's, while the latter works with his team to rally support in five states at any cost.
On the day preceding the 2016 election, Will Conway holds a day-long Skype session to answer the voters' questions. Meanwhile, the Underwoods try to ruin his reputation.
With the voter turnout for Francis being low on Election Day, he decides to use the last arrow in his quiver.
With the election still unresolved nine weeks after Election Day, Conway grows frustrated, while the Underwoods set out to ensure their stay in the White House.
Amid the turmoil caused by what's been happening, a US research facility in Antarctica gets taken over and fingers point to the Russians, while the revealing of a secret threatens Francis's future.
Major changes take place following an incident where the White House staff was forced to move to a bunker.
As Claire tries to handle a situation concerning a sinking Russian vessel, Francis goes on an elite weekend retreat to gain support for the forthcoming elections in the states of Ohio and Tennessee.
As Francis becomes President-elect of the United States, LeAnn's job is threatened due to her connection to Aidan.
Learning that Jackie Sharp will testify before the Declaration of War Committee, Francis attempts to get on the good side of Romero, the head of the committee.
Following the leak of information that leaves Francis in a tight spot, he tries to find out who the leaker is, while his team attempts to do some damage control.
As Francis seeks to talk Durant out of testifying before the committee, Hammerschmidt turns the heat on the Underwoods, who decide to sacrifice somebody close to them.
Things take quite a turn at the White House following some unexpected announcement. Meanwhile, Claire is left with a tough decision to make.