Omnipresent Occultation is the latest in the annals of the Agents of the Numinous Constraint Agency. The Novel describes the missions called 'Swan and Song', 'El D'Or Dieux' and 'Stone and Flute', and spotlights the relationship between the Demi-god Octavian Rusta Barca, the mortal ex-CIA Agent Vernon Duke and the contrary Giant Argus Panoptes. The job cards takes the Agents through the first Crusade, the Fall of Tenochtitlan and a daring and desperate raid on Olympus in the course of their duties.