Criminals who tried to rob the office of a large London corporation failed. Two died, the third managed to escape. What were they looking for? Only an ancient amulet, of value only to historians, has disappeared from the office... But why then does the president of the corporation claim that no company in the world is able to pay insurance for the stolen artifact? Young insurance agent David Brown, who is conducting an unofficial investigation into the theft, is forced to seek help to the American specialist in the history of the occult, Susan Milton. And literally from the very first steps, David and Susan come to conclusions that contradict both common sense and logic...