A week after the Rapture, millions of people have vanished into thin air, a desperate world turns to the United Nations president. Basking in the adoration and trust of the people, he seems to have the entire planet at his command. But a small group, the Tribulation Force, is aware of his true and sinister identity. Now the group must embark on a dangerous mission to open the eyes of the world to tell the truth to anyone who will listen.

In the beginning and eleven years ago, two immortal beings decide that it might not be time to start an Apocalypse. Having followed the wrong boy for years, Aziraphale and Crowley must now try to locate the whereabouts of the real Antichrist. Perhaps the story of Agnes Nutter and her famous prophecies will hold the answer?