A killer who can't be stopped. A request that can't be refused.In 1482 the Englishman Thomas Berrington is living in the last remnants of Moorish Spain. A physician, he is an unwilling friend to the most powerful man in the kingdom. When bodies start to turn up, each showing the marks of a savage attack, Thomas is asked to investigate.When one of the Sultan's wives is brutally murdered, what begins as a reluctant task turns into a fight for survival...