In these horrific tales showing the world going to hell, a reclusive vampire clan and a deadly mist create a disastrous mission for a trespassing B.P.R.D. crew; another team investigates an abandoned warehouse in Chicago, only to discover the site of a hundred-year-old magical ritual with shocking revelations about man's prehistory; and Hellboy appears in a story about Professor O'Donnell's trip to the secret library of a dead necromancer.