There is a distinct hint of Armageddon in the air. According to The Nice and Accurate Prophecies of Agnes Nutter, Witch (recorded in 1655), the world will end on a Saturday. Next Saturday, in fact. So the armies of Good and Evil are amassing, the Four Bikers of the apocalypse are revving up, and the world's last two remaining witch-finders are getting ready to fight the good fight, armed with awkwardly antiquated instructions and stick pins. In fact, everything appears to be going according to Divine Plan. Except that a somewhat fussy angel and a fast-living demon - each of whom has lived among earth's mortals for many millennia and has grown rather fond of the lifestyle - are not particularly looking forward to the coming rapture. If Crowley and Aziraphale are going to stop it from happening, they've got to find and kill the Antichrist (which is a shame, as he's a really nice kid). There's just one glitch: someone seems to have misplaced him...