Millennia ago, a magical disaster caused the fall of a great worldwide civilization, the end of a golden age. New civilizations have fought their way up from the ancient destruction and chaos, knowing little of the lost world that preceded them or the details of its fall.C orus today is a world of contending countries, of humans, but also of strange animals and supernatural creatures. It is a place of magical powers and of a few people who are talented enough to use them. Alusius, the hero of the story, is one.

Steffan Dekkard is an isolate, one of the small percentage of people who are immune to the projections of empaths. As an isolate, he has been trained as a security specialist, and he and his security partner Avraal Ysella, a highly trained empath, are employed by Axel Obreduur, a senior Craft Minister and the de facto political strategist of his party. When a respected Landor Councilor dies of “heart failure” at a social event, because of his political friendship with Obreduur, Dekkard and Ysella find that not only is their employer a target, but so are they.

On his way to his betrothal, young Lord Penric comes upon a riding accident with an elderly lady on the ground, her maidservant and guardsmen distraught. As he approaches to help, he discovers that the lady is a Temple divine, servant to the five gods of this world. Her avowed god is the Bastard, "master of all disasters out of season", and with her dying breath she bequeaths her mysterious powers to Penric.

Young Lerris is dissatisfied with his life and trade, and yearns to find a place in the world better suited to his skills and temperament. But in Recluce a change in circumstances means taking one of two options: permanent exile from Recluce or braving the dangergeld, a complex, rule-laden wanderjahr in the lands beyond Recluce, with the aim of learning how the world works and what his place in it might be. Many do not survive. Lerris chooses the dangergeld.

Although Rhennthyl is the son of a leading wool merchant in L'Excelsis, the capital of Solidar, the most powerful nation on Terahnar, he has spent years becoming a journeyman artist and is skilled and diligent enough to be considered for the status of master artisan - in another two years. Then, in a single moment, his entire life is transformed when his master patron is killed in a flash fire and Rhenn discovers he is an imager.