This epic and fantastic novel interweaves the lives of unforgettable characters such as Muhamad, the son of Marwán, who divides his love between Judit, 'la Guapísima', and Adine, Judit's cousin; the Duke Claudio, leader and representative of the Christians, or the Emir Abderramán II, a monarch who is as refined and cultured as he is cruel and vengeful. In Alcazaba, Jesús Sánchez Adalid sheds new light on the IX Century with masterly style , and reveals to us one of the most decisive and unknown moments in the history of three cultures.