Frank and Claire travel to Moscow to negotiate the return of an imprisoned U.S. citizen. Claire takes a stand that jeopardizes their plans.

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

As Claire begins exploring a campaign of her own, she and Frank engage in backdoor political maneuvering. But this time they're not on the same side.

Claire advises Donald Blythe on dealing with Petrov. Further investigations of Lucas Goodwin dredges up his accusations against Frank.

As Frank deals with a new threat to his candidacy, Claire has doubts about their plan. Claire faces a difficult decision concerning her mother.

While the Shepherd family attempts to diminish Claire's power, Doug goes off the grid but continues angling to advance his agenda.

Claire tries to tarnish Frank's legacy. Doug provokes Claire by releasing excerpts from Frank's diary. A rift develops between the Shepherds.