"I recall that the people went about with pale and worried faces, and whispered warnings and prophecies which no one dared consciously repeat or acknowledge to himself that he had heard. A sense of monstrous guilt was upon the land, and out of the abysses between the stars swept chill currents that made men shiver in dark and lonely places." - H.P. Lovecraft, "Nyarlathotep"
It is the roaring 20's, and while there's electricity in the air, unnatural storms are brewing as well. Strange things are happening in the small Massachusetts town of Arkham; people have gone missing, sightings of indescribable creatures grow more and more frequent. And the very air thickens with a sense of foreboding that roils like an acrid mist through the streets.