Diane and Lucca represent an ovarian cancer survivor who wants custody of her previously donated embryos; someone creates a fake social media account for Maia; Mike Kresteva visits Reddick, Boseman and Kolstad.
An unanticipated turn of events threaten to dissolve a peace deal with Russia; an emergency occurs on the International Space Station.
Elizabeth takes on an unexpected position of power when the president's plane is declared missing; Henry's new handler asks him to recruit one of his students for the NSA.