The daughter of an American leather magnate is sent on a series of sightseeing tours in London with her father's business associate, but finds herself targeted by an opportunistic blackmailer.
When his wife is killed by the evil Marques de Bazan, Spanish army officer Dorando becomes a notorious outlaw known as El Bandolero. He kidnaps Bazan's son Ramon and has him raised by one of his own men. When Ramon grows up to be a man he meets and falls in love with El Bandolero's beautiful...
Grace Milroy loses her job working at a factory. However, through a strange set of circumstances, she is taken on as housekeeper at the nearby Swinford Castle the home of the eccentric Duchess of Swinford.