Kirkman learns who is behind the attack and needs to grapple not only with the prospect of war, but brewing domestic troubles as well. Kirkman taps Emily to monitor the domestic situation, while Alex may be in for more than she bargains for when she seeks out help from Hookstraten.
A shooting at the White House during a Governors' Summit throws President Kirkman's plans to elect a new Congress into turmoil. Hannah makes a shocking discovery in her investigation of the capitol bombing.
An American track-and-field coach's trip to Russia forces Kirkman into a hostage exchange involving the CIA and the Russian government; Agent Wells and Deputy Director Atwood's investigation uncovers dangerous information.
On the eve of the country voting to elect a new House of Representatives, an unexpected development forces Kirkman to consider cancelling the elections entirely. Meanwhile, news has leaked about Majid Nassar's death, and Kirkman has to handle the fallout.
When classified government documents are leaked online, President Kirkman searches for the party responsible only to find that they have taken refuge inside a foreign embassy and are beyond even his reach. Meanwhile, Agent Hannah Wells races furiously to gather evidence of MacLeish's involvement in the conspiracy before he can be confirmed as the country's next Vice President.
President Kirkman fears there could be a traitor in the White House when he discovers shocking information connected to the Capitol Bombing. Confiding in Emily, Kirkman puts her in charge of quietly investigating.
The nation reels from the aftermath of the shooting; Emily struggles with the knowledge there may be a traitor in the White House; Wells wrestles with her decision to reveal what she knows about the conspiracy.
Circles must tighten as a new discovery within the conspiracy emerges. Meanwhile, tension rises between Aaron and Emily as suspicions loom in the White House. Finally, a new lead places Agent Wells closer than before to the truth.
Turmoil in an African country forces President Kirkman to rely on an unlikely ally for help, as Hannah's investigation into the Capitol bombing takes an unexpected turn. Meanwhile, Emily settles into her new role as chief of staff while Aaron has to make a difficult choice.
As President Kirkman releases an agenda to reset his presidency, Alex makes a controversial public statement that threatens to derail it. Meanwhile, FBI agent Hannah Wells unknowingly finds herself in the center of a dangerous trap while getting closer to the truth. While the country still mourns the loss of their Vice President.
As President Kirkman struggles to put together a new Supreme Court, FBI Agent Hannah Wells goes undercover and discovers much more than she ever could have imagined. Meanwhile, Seth Wright has to contend with journalist Abe Leonard, who returns from the Middle East with an explosive story.
As President Kirkman considers candidates for Vice President, Kimble Hookstraten finds herself embroiled in scandal. Agent Wells and Jason Atwood return from North Dakota with a critical new lead while journalist Abe Leonard's investigation takes an unexpected turn.
As the White House gears up for President Kirkman's first international summit, Kimble Hookstraten faces her toughest political battle yet when her speakership is challenged. Meanwhile, Alex wrestles with whether or not to bring the kids back to Washington.