Kirkman faces crisis after crisis as he juggles dealing with an interview that leaves many questioning the legitimacy of his Presidency and the fallout from a leaked video in which a terrorist group claims to be responsible for the bombing.
Wells questions Congressman Peter Mac Leish, the bombing's sole survivor, only to realize he is not telling her the whole truth.
As he juggles adjusting to his new role and proving he is capable of leading the country, FBI agent Hannah Wells begins to suspect that the attack may have been the first of many.
Kirkman deals with his first challenges as Commander in Chief when civil rights abuses in Michigan reach a fever pitch and the designated survivor for the Republican Party comes forward; Wells continues to believe that the FBI is being pointed in the wrong direction; and a survivor of the Capitol bombing is found.
Kirkman is forced to dispatch a team of Navy SEALs to Algeria after learning that the government helped Majid Nassar elude custody; Hannah learns the truth about Mac Leish's movements on the night of the bombing; and Aaron confronts Alex with damning information from a man who claims to be Leo's biological father. Harris was set to be the showrunner in February 2016, but after the series' official pick-up in May, it was announced she would be stepping down due to creative differences, and that Jon Harmon Feldman was in talks to replace her.
Alex deals with a personal crisis when she discovers a bag of pills in Leo's bedroom drawer.
Kirkman juggles continuing to deal with the issue of civil rights in Michigan and finding a terrorist believed to be responsible for the bombing; Hannah suspects Mac Leish is not telling the truth and receives a mysterious phone call; Alex is forced to seek help from an unlikely ally; and Seth takes on an unexpected new job.