Ruth Wakefield, as the daughter of the United States Consul to Cuba, has lived in a beautiful home which her father prepared for his family on a height above Havana harbor since early childhood. Having lost both her natural protectors ... her parents ... through earthly death, she has been much alone with trusty servants, as she has found little companionship among the natives of Cuba. However, she has found a highly respected friend in Father Felix, Priest of the village of San Domingo; to him she has confided her great anxiety concerning some prisoners confined, ex communicado, in the village jail, at the end of the prado, or central park of the village. "The Lady of the mansion on the hill," as she is known among the villagers, has not, though, told the Priest her real reason for wishing the freedom of the political prisoners. Victorio Colenzo is a handsome but unscrupulous fellow of mixed blood, being part Spanish and part Cuban; he has found the lonely American girl and has courted her with such dash and apparent sincerity that she has married him secretly, not even informing Father Felix of her union with the attractive stranger. This man is among the political prisoners and it is to free him from bondage that Ruth Wakefield has furnished Father Felix with means with which to overpower and overawe those who have him in charge. Ruth Wakefield is herself deceived, for in the village is a girl, named Estrella, whose lover Victorio Colenzo is known to be by her associates, among whom is another of her lovers ... Manuello ... a native Cuban. This man is also in the San Domingo bastile. Father Felix, at the head of a procession of his followers, breaks into the jail and confronts the keepers with a crucifix which he holds before them, commanding them to release the prisoners; superstitious terror finally induces them to yield to his demands; in the confusion, Manuello contrives to sever the handsome head of Victorio Colenzo from his strong and manly body, so that his corpse is found when the doors are finally thrown open to the people; Estrella finds this body and weeps above it. Father Felix meets Ruth Wakefield by appointment to report as to what he has done, and, in this manner, she discovers the perfidy of her so-called husband. She confesses the truth to Father Felix who sympathizes deeply with her as he knows her to be innocent. She visits the morgue and meets Estrella whom she befriends and, eventually, adds to her household. She has among her servants, a unique character, named Mage, who has been her nurse in babyhood and who is always faithful to her in her own strange way; this old woman, throughout the entire twenty-one chapters of this story, continues to perform unexpected and startling deeds.