Overview: This movie is the first of a trilogy that Sebastián D'Arbó, a specialist in parapsychology, filmed on occult topics. The second film is El ser (1982) and the last one Más allá de la muerte (1986).
Overview: The film depicts ten years of Catalan history, from 1899 with the defeat of the Spanish side in the Cuban War of Independence to the Tragic Week 1909.