As the first woman president, Claire faces increased scrutiny and threats. Sibling power couple Annette and Bill Shepherd attempt to influence policy.

Claire clashes with the Shepherds and Mark Usher, who pressure her to sign the Future Act. Doug makes an unexpected move.

The Shepherds push Claire on a Supreme Court nomination. Doug works to find a new path for himself. Claire consults with Jane on Syria.

As a crisis mounts in Syria, Russian President Viktor Petrov wants to make a deal with Claire. Questions arise about Tom Yates's whereabouts.

Claire allows her enemies to think she's incapacitated as they plot to remove her from office. Doug's investigation leads him to uncover a secret.

Claire makes staff changes. The Shepherds try to recruit Doug to their side. With Mark facing intense scrutiny, Jane offers advice.

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