About to enter the year 1000, Biel Freixa a young mason from Ripoll is at a crossroads: either to leave his city and his family and set off for the unknown Moorish land or those who have
betrayed him eventually will kill everyone he loves. To save them he will take them to Qurtuba the capital of the Caliphate and site of the largest library in the world, a paradise for the
senses and the secrets, and look for a manuscript that contains valuable information for those who blackmail him.