Elizabeth is humiliated at a public budget hearing when her staff fails to find the corruption that exists in her microloan program. Also, the investigation into Marsh's death continues.

As Elizabeth struggles to hold herself together emotionally following the attack in Iran, she works to prevent an ecological disaster in the Amazon, and prepares for a national television appearance on “Face the Nation.” Also, she and Henry disagree about the level of protection Jason should have at his new school.

While Elizabeth seeks a diplomatic solution to a doomsday cult in Bolivia, a congressman attempting to negotiate with its leader is taken hostage. Meanwhile, Elizabeth and Henry meet Stevie’s much older boyfriend.

When Elizabeth receives shocking news about an important political operative, she navigates a tricky political situation with President Dalton, who she learns may be considering replacing her as Secretary of State. Also, Stevie and Jareth get engaged.

As President Dalton eagerly awaits voting results on Election Day, Elizabeth uncovers information that could put the U.S.’s peace deal with Iran in jeopardy.

Elizabeth and her team work to secure the release of an American journalist held hostage in the Sudan.

Elizabeth heads to Brussels to seek NATO’s support against Russia when it threatens to invade Bulgaria, but when France refuses to cooperate, it could threaten the alliance’s very existence. Also, Henry’s new government role has him dive into the Russia issue and turn to his former operative, Dmitri Petrov for help, and as Nadine and Mike B’s relationship heats up, Elizabeth finds out information about her old friend that makes her question his loyalties.

Secretary of State McCord reluctantly agrees to host a holiday party in the hopes of persuading senators in attendance to pass a treaty that requires countries to destroy landmines. Also, Henry tries to find evidence that the Senate Majority Leader exchanged information with the Russians.