While Henry is in Russia giving a lecture on fundamentalism, Elizabeth must navigate tricky political waters when a Russian nuclear submarine vanishes in American waters. Also, Stevie breaks up with her older boyfriend.

Elizabeth and President Dalton’s administration are met with hostility while trying to deal with the Russian government. Also, Dmitri is kidnapped and interrogated about being a Russian spy.

After they uncover a secret that could ruin Maria Ostrov’s reputation, Elizabeth and President Dalton head to Switzerland to meet with her and use the information as leverage to find a peaceful solution to the escalated conflict with Russia. Also, Dmitri requests to be released from his duties as a spy.