Taking a young couple from the distant Empire, the dean Tomazzo Elukante could not imagine how it would turn out for him. But what can you do if a new order has come to the streets of Shamsit, the cities of thousands of palaces and thousands of secrets, and the dark kingdom of the night spirits of Aggie is lit by the flame of white fire? Isby-Lin, the Devil of the Night, went out to hunt for the souls of sinners. What lies behind a series of mysterious murders and who will stop the untraceable killer?