Madam Secretary (2014)

S4E19 Thin Ice

While attending a summit in Montreal aimed at addressing territorial disputes in the North Pole, Elizabeth finds herself in chaos when an activist group sets off a bomb, leaving her unable to find Jason and Piper. The situation escalates further when she discovers Russia's involvement in the attack. Meanwhile, Henry is assisting one of his students as they navigate a tough choice, providing support during this challenging time.