A terrorist threatened to destroy a flood, and it all got too real for Elizabeth on Madam Secretary Season 4 Episode 21.
With the fate of millions up in the air, she had to turn to a neighboring country with the aim of saving everyone involved.
Meanwhile, things took a turn when the government decided to change the game.
Also, Stevie was tasked with finding Russell and activity that could help manage his stress.
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Paul Dailly is the Associate Editor for TV Fanatic. Follow him on Twitter.