Set in Spain during World War II. This is the story of a young girl named Ofelia. She is a girl who has a passion for fairy tales, which causes her to see one during her trip on the forest that is not quiet. She goes to her stepfather's home in the country along with her pregnant but sickly mother, he is the sadistic Captain Vidal. Ofelia creates an imaginary world of her own to escape the cruel and harsh realities of the world. When she encounters a faun, she must complete three tasks in order to obtain immortality according to the legend of a princess