Around 1000, Almanzor threatens again and again the north of the Iberian Peninsula. Mysterious ships come to the Tarraconian coast and leave a stranger present in the small port of Cubelles. This is the beginning of the exciting journey of two boys who will end up traveling to Urgell, when Count Armengol I is about to join the great alliance of counts and tycoons who have decided to permanently become independent from the Frankish kingdom while breaking with the ancient servitude imposed by the caliphate of Cordoba. In the midst of all this, a young woman will fight to be free from the bonds of her family and social world. Sánchez Adalid recreates the beginning of the second millennium: life in castles, the relationship between nobility and clergy, the rich monastic culture, everyday customs, love, war, fear and courage...