After his girlfriend mysteriously disappears from a cruise, Sean Walker discovers a conspiracy of global proportions.

The president's staff grapples with a new reality; the conspiracy engulfs an FBI agent and a mercenary with questiona...

The administration unveils a tough new strategy to force Sophia to reveal the detainees' plan; Vicky and Carter posse...

The White House grapples with a mysterious biological threat. Their only hope is to crack Sophia during interrogation...

The CDC tries to identify the contagion and treat those infected as the biological threat intensifies; Simon asks Sop...

Sean encounters a mysterious conspiracy theorist while looking for answers in Leila's home; Simon's allegiances are t...

President Martinez orders Director of National Intelligence, Blake Sterling, to root out the mole from their staff, w...

President Martinez, furious about recent security failures, demands answers from Director of National Intelligence, B...

President Martinez reacts to the knowledge of who betrayed him within his administration. Meanwhile, after revealing ...

Sophia's suspicions are confirmed when Thomas reveals a shocking new plan. Leila and Sean battle mercenaries while se...

Martinez and his Chief of Staff order their intelligence departments to determine the nature of Thomas' message and w...

Meanwhile, newly appointed Alaskan Senator Catherine Lewis threatens to divulge information about the Mt. Inostranka ...

President Martinez gets tougher with dealing with the cleanup of Thomas's breakout of 51 Inostranka detainees. Michae...

Thomas summons Sophia, Diane Geller, and the other Sleepers to reveal the contents of the game-changing message he re...

Negotiations for the release of the Sleepers begin after Sophia triggers a national disaster; Sean and Vicky continue...

The Sleepers mourn their losses after negotiations are derailed; Sterling tries to test Simon's loyalties; President ...

Vice President Jarvis vocalizes his lack of faith in President Martinez's leadership and agrees to meet with an adver...

The White House is rocked by the sudden illness of one of their own, leaving Chief of Staff Peel and Sterling to inve...

The White House grapples with the unfolding tragedy as Sterling continues the investigation into his primary suspect....

With doubt still surrounding the tragedy at the White House, Sterling encounters an unlikely ally in Simon, who risks...

President Martinez makes a triumphant albeit shaky return to the White House, determined to punish the traitors who c...

The White House is gripped by a power struggle of historic proportions, pitting Martinez and Chief of Staff Peel agai...