The Underwoods and their team angle to undermine the revived committee investigating Frank. Hammerschmidt’s investigation heats up.

As the team tries to control fallout from damaging testimony and leaks, everyone is under suspicion and tensions flare between Frank and Claire.

Frank attempts to stop Cathy from testifying. With Hammerschmidt sniffing out the truth, the Underwoods throw someone close to them under the bus.

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 Congress debates investigating Frank, he and Claire attempt to stoke fear of terrorism. Tom Yates continues his stay in the White House.

A feud starts between Francis and Marty Spinella. Russo goes into depression about the job losses at the shipyards.