Circles must tighten as a new discovery within the conspiracy emerges. Tension rises between Aaron and Emily as suspicions loom in the White House. A new lead places Agent Wells closer than before to the truth.

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. New information surfaces about Congressman MacLeish, raising concerns regarding his vice presidential nomination.

The nation reels from the aftermath of the shooting on the steps of the Capitol while Emily struggles with the knowledge there may be a traitor in the White House. Agent Wells grapples with her decision to reveal what she knows about the conspiracy behind the Capitol bombing.

In the nail-biting season finale, Hannah Wells must stop the conspiracy from carrying out a final attack while President Kirkman authorizes a nationwide manhunt for the mastermind behind it all.

Hours after the attack on the Capitol, President Kirkman steps into his role as Commander-in-Chief in the midst of chaos and confusion. Facing dangerous new challenges and adversaries, Kirkman struggles to hold a country together that is on the brink of falling apart.

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. 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.

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. Alex may be in for more than she bargains for when she seeks out help from Hookstraten.

Lower-level cabinet member Tom Kirkman becomes President of the United States after a catastrophic attack on the U.S. Capitol. Kirkman must keep the country and his family safe while leading the search for the those responsible for the attack.

Realizing his attempts at diplomacy with Algeria have failed, President Kirkman makes the difficult decision of sending Navy SEALs on a mission that will define his presidency. Agent Hannah Wells discovers more secrets than answers.

President Kirkman’s first international summit is derailed when journalist Abe Leonard publishes an explosive article. Meanwhile, Hannah Wells uncovers the conspiracy’s next target.

When an American track-and-field coach heads to Russia, President Kirkman is thrust into a hostage exchange involving the CIA and the Russian government. Agent Hannah Wells and Deputy Director Atwood's investigation into the Capitol bombing uncovers information that puts Atwood and his family's life at risk.

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.

On election day, Kirkman turns to his therapist to assuage his conscience about the events -- and his own decisions -- of the momentous prior 36 hours.

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. Seth Wright has to contend with journalist Abe Leonard, who returns from the Middle East with an explosive story.

Turmoil in an African country forces President Kirkman to rely on an unlikely ally for help. Hannah's investigation into the Capitol bombing takes an unexpected turn. Emily settles into her role as chief of staff. Aaron has to make a difficult choice.

It’s Christmas Day and President Kirkman is alerted to a group of religious extremists who refuse to evacuate when a forest fire threatens to engulf their cabin. Deploying Emily and Aaron to help diffuse the situation, Kirkman must act quickly to save multiple lives at stake. Meanwhile, the First Lady finally gives her testimony to the FBI director, while what happens next changes the lives of the Kirkman family forever.

Aaron's heritage and a widespread teachers' strike become polarizing issues, and Wells discovers a sinister pattern in a flu outbreak.

When a video of the president visiting prison leaks to the media, his team works to minimize the fallout. A surprise White House demonstration has deeper ties to the president than anyone first realizes.

Tensions rise between America and Mexico when a Mexican citizen is shot during a border dispute regarding Mexican trade imports. Kirkman and his staff must work quickly to resolve the situation and create a new trade deal.

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.

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

A dying Guatemalan child in a Texas hospital brings immigration to the fore. A mugging opens Kirkman's eyes to the realities of life in the capital.

When a missile intended to bring water to stranded astronauts in space is hacked, President Kirkman must work with Russia and enlists the help of Dr. Andrea Frost to help save lives and find out who is behind the hack. Meanwhile, Hannah finds herself working with Damian again.

Emotions run high after despicable fake news goes viral, Isabel makes waves with a controversial appeal, and Wells finds a clue pointing to conspiracy.

A heated debate over child marriage roils Kirkman's staff. Opioid addiction hits home for Mars. A biohacker turns Wells onto a chilling new threat.

A stray Russian bomber jeopardizes Seattle, Mars crusades against a drug company, and an event from Aaron's childhood vexes Kirkman's campaign.

President Kirkman is faced with a viral pandemic that threatens to kill countless Americans. Hannah and Damian discover evidence that could change the lives of members of the first family forever.

When a Turkish activist ignites protests in the U.S., Turkey’s president demands his extradition while the first family unknowingly finds themselves in the center of a battle that could threaten Leo’s future.

As tensions between East and West Hun Chiu 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.

Kirkman tries to win back the people's trust after a senator appears on the national news and misrepresents a private conversation he had with the president. MI-6 agent Damian Rennett joins FBI agent Hannah Wells to solve an international murder.

While on a secret mission to Afghanistan, President Kirkman meets with two infamous warlords and must determine whom he can trust to hand over territories to the U.S., while Seth has a run-in with Washington, D.C., police that puts his job, reputation and future in the White House on the line.

After sorting through thousands of letters all requesting something of president, the White House staff are assigned three, with Emily, Seth, Aaron, Llyor and Kendra joining forces to get answers and possibly save a life. Meanwhile, Hannah and Damian continue to chase down leads to exonerate the first lady, but in the end, Hannah learns the truth may be closer than she thinks.