In 1661 Mexico, the Baron Vitelius of Astara is sentenced to be burned alive by the Holy Inquisition of Mexico for witchcraft, necromancy, and other crimes. As he dies, the Baron swears vengeance against the descendants of the Inquisitors. 300 years later, a comet that was passing overhead on the night of the Baron's execution returns to earth, bringing with it the Baron in the form of a horrible, brain-eating monster that terrorizes the Inquisitor's descendants
| Directing | Chano Urueta | Director |
| Writing | Federico Curiel | Writer |
| Production | Abel Salazar | Producer |
| Art | Ángel Trejo | Set Decoration |
| Production | Rodolfo Villalba | Casting |
| Camera | José Ortiz Ramos | Director of Photography |
| Sound | Gustavo César Carrión | Original Music Composer |
| Art | Javier Torres Torija | Production Design |
| Editing | Alfredo Rosas Priego | Editor |
