Tom Egeland is a leading Norwegian writer of historical detective fiction, the author of the brilliant cryptological novel "Keepers of the Covenant", translated into 17 languages. In the novel "Broken Circle", called by critics "the Norwegian Da Vinci Code", we We meet archaeologist Bjorn Belte again. Before Bjorn's eyes, a golden casket, the Casket of the Holy Mysteries, has just been discovered at excavations in the Verne monastery. The theft is committed by the famous professor Graham Llylevort, who is patronized by very high officials in the government and security organizations of Norway. But on what basis are both the police and the Monument Protection Inspectorate trying to turn a blind eye to the theft, or are they participants in some kind of dark conspiracy? What is in the Chest? How is the two-thousand-year-old mystery of the Casket connected with the death of Charles de Witt and Bjorn's father, who many years ago participated in Graham Llylevort's expedition and died under extremely mysterious circumstances? In search of the truth, Bjorn, who is trying to protect the relic from the attacks of intruders, will have to break the law himself. But was it worth it and are the enemies really who they say they are, and the truth is what absolutely needs to be revealed to the world?