In 1930, the writer and intellectual Azorín discovered a hoax that had been propagated for almost 60 years: the life and works of the Spanish Archbishop Antonio María Claret, founder of the Claretian Missionaries, had been adulterated. Slaves and Kings, based on real facts, uncovers the path of this investigation that leads to know the history, though and authentic facts that led to the action of the former archbishop of Cuba and, later, confessor of Queen Isabel II. Added value includes go behind the scenes with the missionary Catholic saint who was a religious founder, reformer, queen's chaplain, writer, publisher, and archbishop. What can we learn from Claret's exemplary witness despite persecution? Find out more after the film and experience in depth details of a heroic witness and the special friend of slaves and kings.