Episode synopsis for the very first episode of The Event.

Sean Walker (Jason Ritter), stumbles into a national conspiracy after his girlfriend Leila (Sarah Roemer) mysteriously disappears from a Caribbean cruise. Elsewhere, President Elias Martinez (Blair Underwood) is scheduled to announce the release of a group of detainees led by Sophia Maguire (Laura Innes) — despite the disapproval of his Director of National Intelligence, Blake Sterling (Željko Ivanek). Their futures are on a collision course in a global conspiracy that could ultimately change the fate of mankind.

Scott Patterson, Ian Anthony Dale, Clifton Collins, Jr., Taylor Cole, Lisa Vidal and Bill Smitrovich also star in the ensemble drama. Tony Todd, Lauren Stamile, Julia Campbell, Gonzalo Menendez, Joseph C. Phillips, Casey Siemaszko, Omid Abtahi, Angel Desai, Wynn Everett, Michael Cummings, Lorena Segura York, and Wes Ramsey guest star.

The Event begins September 20th in the US and October in the UK on Channel 4.