As the sit-in approaches, Allison reconnects with Klaus, the Swedes chase Vanya into a cornfield, and Luther makes a distressing discovery.

A desperate Five concocts a risky plan to intercept another version of himself. The FBI tortures Vanya. Diego discovers what causes the apocalypse.

With their Number One missing, the Sparrows take a hostage. Allison makes a painful discovery. Klaus takes Five on an eye-opening road trip.

With the universe collapsing around them, the gang gathers for a day of romance, awkwardness and debauchery at the Hotel Obsidian.

Lila and Five get lost traversing various timelines. Meanwhile, Viktor and Reginald aim to stop Ben, whose union with Jennifer sets forth a lethal path.

With Ben and Jennifer in peril and the Cleanse underway, the family unites for one last fight to save the world — and end the infinite devastation.