After learning the truth about Jennifer, the crew sets out to find her and Ben. Klaus hustles to escape his plight. Five and Lila try to change the past.

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.