A group of bandits discover an overturned float on a Sierra Morena road. To the side, a dying woman is holding a girl in her arms. Juan María, the head of the band, takes care of her little girl, collecting from her mother a ring that bears a noble shield. Some time later, already turned into a beautiful girl named Estrella, Juan María casually discovers that she could be the Corregidor's daughter, the person who has him imprisoned.