Born as a result of a monstrous experiment, Alton Blackwood himself turned into a monster. The mystical connection with the creation of the Underworld allowed him, even after his own death, to return from the kingdom of death and, taking possession of the minds of sinners and scum, commit bloody crimes with their hands. Exactly twenty years ago, having destroyed the parents and sisters of John Calvino, then still a boy, Alton Blackwood was shot by him. Dying, he vowed to return from the Otherworld to take revenge. And now John, who has become a policeman, enters into a fight with a ruthless ghost. He is opposed by all the forces of Hell, but on Calvino’s side is the manifestation of the Divine principle in his children...