Under the Cathedral

Jaen, Spain. Early morning of July 11, 2006. A young man flees in a hurry from Plaza de Santa María. The corpse of an older man is left lying in front of the facade of the Cathedral, face down, naked, and covered in droppings and pigeon feathers.
Something is hidden under Jaen''s Cathedral, and only the members of a clandestine organization, as well as the highest authority of the Vatican, are awar...