Plot summary
In retaliation for the US peace agreement in Afghanistan, Russia bans all adoptions of Russian children by American parents. Vice President Theresa Hurst gives assurances to the media that the government will do everything possible to return the children, which has the result of locking the US into negotiations. Theresa and Elizabeth travel to Russia to discuss the issue, but are unable to reach an acceptable agreement with Russia. A Russian assassin targets Dmitri. The US captures the assassin and bribes him into revealing the name of his handler. Elizabeth uses that intelligence to pressure the Russian president into accepting the terms originally offered. The children are returned to their adoptive families. Dmitri and Stevie say goodbye before he leaves for his new assignment in Alaska.
Credits
Adapted from Wikipedia contributors, Madam Secretary season 4. HTML formatting and reference markers removed.