As tensions between East and West Hanchu escalate, President Kirkman travels to Camp David to broker a peace treaty with the leaders of those countries. While back in Washington, D.C., Seth and Emily take a hard look at their relationship and decide how, and if, they will move forward as a couple.

President Kirkman and his staff have credible intelligence that a dirty bomb is on U.S. soil, thrusting the president into a high-stakes effort to find the bomb and stop it from detonating. At the White House, Emily approaches Chuck to help her with something that has damaging and illegal consequences.