With the conspiracy more alarming than ever, a fiery lawyer joins President Kirkman's staff and Agent Wells forms an alliance with a British spy.

1. One Year In 42m A hijacked plane hands Kirkman an international crisis. A White House advisor shakes things up. Wells tracks Lloyd across the globe with a new ally.

2. Sting of the Tail 42m A break in the manhunt for Lloyd precipitates a drastic showdown, forcing Kirkman to weigh the law against an imminent threat.

3. Outbreak 42m A virulent flu outbreak slips out of control. Tensions erupt over a Confederate monument. Rennett and Wells ferret out damaging new clues.

4. Equilibrium 41m A deadly incident at the U.S.-Mexico border throws stalled trade negotiations into chaos. The first lady faces questions about a brewing scandal.

5. Suckers 42m Kirkman faces plummeting public trust in the wake of an incendiary off-the-cuff remark. Wells and Rennett probe the murder of a British politician.

6. Two Ships 43m The crew of a U.S. warship becomes stranded in hostile waters after colliding with a civilian vessel. Wells and Rennett confront a hostage situation.

7. Family Ties 42m Kirkman faces a diplomatic dilemma, lawsuits threaten to consume his family, and Moss stonewalls Wells’s investigation.

8. Home 43m During a secret trip to Afghanistan, Kirkman negotiates with influential warlords and Wells comes under fire. Back home, Seth lands in legal trouble.

9. Three Letter Day 41m Kirkman dispatches his staff to investigate a war hero's legacy, a man on death row and a bee colony's collapse. Wells follows a trail of dirty money.

10. Line of Fire 43m Religious zealots in the path of a raging wildfire square off with the White House over their convictions. Wells digs for the truth behind a betrayal.

11. Grief 43m While Kirkman struggles to face a staggering loss, Wells and a trade delegation to Havana become a high-stakes bargaining chip for Cuban rebels.

12. The Final Frontier 43m Wells races to find the culprit after a hack on NASA imperils astronauts aboard the space station. Kirkman confronts a trusted but defiant advisor.

13. Original Sin 42m Native Americans staging a White House sit-in compel Kirkman to remedy a past mistake. Wells leans on a Russian spy in her hunt for the hackers.

14. In the Dark 42m Kirkman clashes with the capital's mayor when a power outage throws the city into chaos. Chuck deciphers a clue buried in the hackers' code.

15. Summit 41m Emily chases a White House leak that jeopardizes high-stakes peace talks between a rogue nation and its neighbor. A defector begs Wells for help.

16. Fallout 42m On the heels of a historic peace agreement, a dirty bomb smuggled into the country threatens to ignite a war. Wells confronts a baffling double cross.

17. Overkill 43m Waging a retaliatory war against the country behind the dirty bomb, Kirkman sends Wells into the combat zone to negotiate with a rebel leader.

18. Kirkman Agonistes 41m Leaked therapy records precipitate a constitutional crisis that engulfs Kirkman and the White House. Wells, Rennett and Chuck close in on the hackers.

19. Capacity 43m With his presidency in turmoil, Kirkman preps for a hearing on his fitness for office. Wells shares her suspicions about the hacker's identity.

20. Bad Reception 43m After the murder of a diplomat, Ethan West takes up the cause of a U.S. citizen imprisoned abroad. Kirkman discovers a personal betrayal.

21. Target 43m While both parties jockey for Kirkman's allegiance, an old case puts Kendra in the crosshairs. West investigates Moss, who makes a bold announcement.