Desc: El demonio en la sangre: Directed by René Múgica. With Rosita Quintana, Ubaldo Martínez, Ernesto Bianco, Arturo García Buhr. Three episodes about the influence of Satan: a black boxer commits killings under the influence of his manager.A pair of lovers is haunted by the memory of a murdered wife.A wedding in the mountains is disrupted when the bride sees an apparation of the Devil who shares his expertise in astrology and the female heart.