The Event

The White House grapples with the unfolding tragedy as Sterling continues the investigation into his primary suspect. Sophia manipulates the traitor inside the White House, confirming the suspicions of Chief of Staff Peel. Leila and Michael attempt to rescue Simon, but at tremendous personal risk. Elsewhere, Sean and Vicky try to identify Sophia's secret courier before it's too late.

With doubt still surrounding the tragedy at the White House, Sterling encounters an unlikely ally in Simon, who risks his life to return with a possible antidote. Against the wishes of Chief of Staff Richard Peel, Jarvis authorizes an air strike to neutralize them. Meanwhile, Sophia continues on her diabolical plan to exterminate the human race, now with the help of an unwitting accomplice -- Leila. Elsewhere, Sean and Vicky try to prevent the deaths of many thousands of innocent people.

President Martinez makes a triumphant albeit shaky return to the White House, determined to punish the traitors who conspired against him. Sophia forges ahead with her plan, while battling a new enemy -- the guilt that has begun to plague her. Sean and Vicky form an impromptu team with Sterling and Simon in order to track down Sophia's headquarters and stop her before the destruction of all human life.

The White House is gripped by a power struggle of historic proportions, pitting Martinez and Chief of Staff Peel against Jarvis and his secret ally, Sophia. Elsewhere, Sean, Vicky, Sterling, and Simon race to stop the dispersion points for the virus. Meanwhile, Leila fights for her life. But it all may be too late -- as the portal begins to open, sending tremors across the globe.