The Shoggoths have just activated the fourth stele of the great ancients. And if they manage to reach the fifth and final one, it’s the end of humanity. A future that Naïa is prepared to do anything to avoid. To prevent others from suffering like her brother Noah. To save what’s left. But not everyone agrees: isn’t being human a sin in itself? Beth, for her part, is prepared to pay a high price for redemption… Even her old friends.