When a blackout threatens to shut down the government and causes chaos in the streets of Washington, D.C., President Kirkman joins forces with Mayor Ellenor Darby, but the partnership doesn’t end there.

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.

Following the deadly bomb explosion inside a D.C. metro station, President Kirkman declares war on Kunami. When the emir of that country sends his ambassador to negotiate, FBI Agent Hannah Wells learns the emir is hiding something that could have deadly consequences.

As more content from President Kirkman’s confidential therapy sessions continues to leak out, Vice President Darby meets secretly with the entire Cabinet, resulting in attorney Ethan West looking into the president’s past – while playing a large role in his future as commander in chief

Attorney Ethan West calls on President Kirkman's closest advisors and staff as he begins his investigation.

Now running for office for the first time, Kirkman and his nascent campaign stumble out of the gate. Wells gets a critical reassignment.