The Event: Season 1, Episode 18

1 - 18: Strain

The White House is rocked by the sudden illness of one of their own, leaving Chief of Staff Peel and Sterling to investigate possible conspirators. Michael Buchanan comes to the aid of Leila, but it leaves them both at risk of Sophia's wrath. Across the globe in Russia, Sean and Vicky race to stop Sophia's weapon from being loaded onto a plane heading to the United States.