Professor Kevin Michaels has returned to the picturesque town of New Polk to fill a teaching position at the local university and a long-held ambition: to revive interest in the town's most illustrious citizen, author Eileen Connel, and her neglected masterpiece, "Season of Witches". But first the must uncover the horror locked away inside the old woman's failing mind - a horror that had its birth one tragic Halloween night over forty years ago. Now, as October once again returns to upstate New York, so does a species of evil so monstrously alien it can only wear a human mask...