Complete story — includes the ending
Elizabeth attends an Arctic Council conference, and takes Jason and Piper along so that Piper can get an interview with a well-known activist who is protesting there. During the conference, a bomb explodes. Security whisks Elizabeth to safety. They discover Jason and Piper in Piper's hotel room. Intelligence determines that the Russians instigated the bombing, and are moving their ships into US territory in the Arctic during the confusion. China will assist the US in the Arctic by providing icebreakers if China is given a seat on the Arctic Council. The combined force convinces Russia to back down. Henry counsels a student who wants to declare himself a conscientious objector. Piper breaks up with Jason.
Sources and content license
Source and revision history · Adapted from Wikipedia contributors, Madam Secretary season 4. HTML formatting and reference markers removed. · Content license