Philip faces a moral dilemma while developing an asset. Philip and Elizabeth’s friction escalates. Stan develops a theory with serious repercussions for national security. Paige makes a surprising birthday wish.

Gabriel has surprising information. Elizabeth begins to take family matters into her own hands. Stan receives upsetting news from his past and turns to Sandra for support.

Martha and Clark’s marriage meets its most challenging test yet. As pressures on Philip intensify, Elizabeth turns to Gabriel with a difficult request. Nina receives a new assignment that reconnects her with her past.