Did Elizabeth manage to quell the fears that Montreal was under threat from terrorists?
That was addressed on Madam Secretary Season 4 Episode 19 when she attended a summit to resolve territorial claims and a bomb was detonated.
Things took an explosive turn when it emerged that Russia was responsible for the bombing, and it paved the way for a big revelation.
While all of this went down, Henry helped one of his students through one of the biggest decisions of his life.
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Paul Dailly is the Associate Editor for TV Fanatic. Follow him on Twitter.