A stranger arrived from the side where no one has been for about twenty years. Even mutants. That’s exactly where a bomb fell, burying Kirov residents’ hope for their former life. The half a million of Kirov shrank before the Day of Judgment to the size of a small fortress-community of just thirty people. And only the chronicler of the fortress suspects that the survivors are facing a new danger. It’s brought by a creature that appeared from the epicenter of the explosion.