Henry ends up being reactivated by the president into the NSA and he decides to keep his continued involvement in the spy game a secret from Elizabeth.

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.

When a computer sting uncovers the possible mole in the CIA arms smuggling ring, Elizabeth’s questioning of the suspect makes her think that a larger, more dangerous force is behind the operation. Also, Henry worries that the doomsday cult is drugging his embedded operative, and Elizabeth and her State Department staff come up with an unorthodox approach to solving black rhino poaching in Namibia.

Elizabeth is determined to continue to hold a human trafficking conference in Kyrgyzstan despite the inappropriate actions by a U.S. ambassador. Also, Elizabeth and Henry worry about Alison when she keeps coming home from college.

When Vice President Hurst feels threatened that Secretary of State McCord is vying to be the next president, she attempts to set Elizabeth up for failure by promising that Americans will continue to be able to adopt Russian orphans, despite the potential ban by Russia’s president. Also, Elizabeth and Henry find out Stevie is dating Dmitri after he is followed by a Russian assassin.

When a super typhoon threatens a small Pacific island, Elizabeth tries to relocate its population before the storm makes landfall. Also, Henry gives a speech to an evangelical group about climate change.

When evidence implicates Daisy in the leak of hacked information during the presidential campaign and threatens to topple Elizabeth’s presidency, Elizabeth must decide what to believe and how far she’s willing to go to uncover the truth. Also, Henry and Elizabeth host former President Dalton at the White House after his interview with Bob Schieffer.