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.

Trailing in the polls, Kirkman weighs forcing the FBI's hand over the bioterrorism plot. Emily struggles with her mother's final wishes.

Kirkman mobilizes a frantic hunt for the bioterrorist. Lorraine plays hardball and pushes the opioid epidemic into the campaign fray.

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

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.

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

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

A political attack on Kirkman puts privacy and transgender rights in the spotlight. Aaron weighs a major decision. Wells and Eli track a bioterrorist.

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.

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

As attorney Ethan West's investigation begins, he calls upon President Kirkman's closest advisers and staff.

n/A

President Kirkman declares war on Kunami after a deadly explosion, while Hannah Wells finds that the Kunami ambassador is hiding something that could have deadly consequences.

President Kirkman and his team receive credible intelligence that a dirty bomb is on U.S. soil, Emily asks Chuck to help her with something that has dangerous and illegal consequences.

President Kirkman travels to Camp David to broker a peace treaty between East and West Hanchu, while Seth and Emily take a look at their relationship and decide how and if to move forward as a couple.

President Kirkman enlists the aid of D.C. mayor Ellenor Darby to help curb panic when a blackout threatens to shutdown the government. But, is that the extent of the relationship?

The team must minimize the fallout of the President visiting a prison. A surprise White House demonstration has a closer tie to the President than anyone first realizes.

After a missile intending to bring water to the stranded astronauts in space is hacked, the President must work with the Russians to help save their lives and find the culprit.

After 10 weeks of grief, the President's senior staff insists he a therapist to help deal with his loss. Hanna and Aaron are part of a trade delegation to Cuba but the trip doesn't go well.

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.

FBI Agent Hannah Wells finally closes in on Patrick Lloyd, but when the president decides to take action during the White House Correspondents Dinner, members of the Homeland Security Council threaten to derail their plans.

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.

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.

President Kirkman forms an unlikely alliance in the hopes of passing his first bill while Agent Ritter is briefed by FBI Agent Hannah Wells about a new alarming threat to the nation.

An investigative journalist shocks the White House when he reveals classified information during a press briefing; Hannah discovers a connection between MacLeish and 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.

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.

A shooting at the White House during a Governors Summit throws President Kirkman's plans to elect a new Congress into turmoil; Agent Hannah makes a shocking discovery in her investigation of the capitol bombing.

After realizing that diplomacy isn't going to work with Algeria, President Kirkman decides the send the Navy SEALs on a mission; the probe into the Capitol bombing continues.

Tom juggles dealing with a security breach and preparing for his first television interview as the FBI continues to investigate the Capitol bombing.

Hours after the attack on the Capitol, President Kirkman steps into his role as Commander-in-Chief in the midst of chaos and confusion.

A low-level Cabinet member becomes President of the United States after a catastrophic attack kills everyone above him in the Presidential line of succession.