In their ruthless rise to power, Francis and Claire battle threats past and present, and form new alliances while old ones succumb to betrayal.
The Underwoods tackle two threats that could bring their plans to ruin. Frank grooms his replacement as Whip. Claire goes on the offensive.
Frank puts China in the cross-hairs. Claire confronts a painful trauma from her past. Lucas Goodwin presses for the truth.
Tension rises between Frank and Raymond Tusk as the situation with China deteriorates. A battle in the Senate pits Frank against the Republicans.
A terror scare at the Capitol traps Frank with a resentful Donald Blythe. Claire gives a live interview that rocks the media.
Frank back-channels with a Chinese billionaire. Lucas uses extreme measures to expose the Vice President. A shadowy figure joins Team Underwood.
Amidst an energy crisis, Frank and Tusk end their shaky alliance. Lucas must make a difficult choice. Stamper grows closer to Rachel.
Despite some friction, the Walkers deepen their friendship with the Underwoods. But it's all-out war between Frank and Tusk.
The war with Tusk intensifies. Claire influences Tricia Walker politically and domestically. Frank has a show-down with Linda Vasquez.
Things get personal when Tusk blindsides the Underwoods with a scandal. Freddy and his BBQ joint get caught up in the mix.
With a military stand-off overseas and potential violence at home, Frank wants to finish off Tusk for good. Claire and Jackie Sharp collide.
A Special Prosecutor interrogates Frank. Remy Danton tries to keep his options open. Stamper wrestles with his demons.
Frank finds himself shut out, and Claire makes a difficult sacrifice. Stamper tries to regain control.
Frank faces annihilation while the nation is in an uproar. Stamper must tie up loose ends. Claire feels the cost of ruthlessness.