Catalina de los Ríos y Lisperguer is a beautiful woman who captivated and intimidated men due to her extreme beauty and indomitable personality. Her nickname "La Quintrala" became a synonymous of fear at the time. The show goes deeper into all the differents facets of Catalina, from her affairs, the mistreatment of her employees, her revenges and her pacts with occult beings.