Valery Tavrov is a detective with enormous experience, a man in every sense of the earth. However, for some reason, not for the first time, he is forced to unravel cases involving sorcerers and members of ancient orders guarding the borders between the worlds of humans and demons. And now he both believes and does not believe that the found ring of King Solomon is capable of bringing upon its owner an endless string of problems and misfortunes. However, this is true! Investigation of terrible deaths, mysterious disappearances, the prospect of his own death - this is what awaits Tavrov. First of all, he will have to find Father John Belissenov, who disappeared two years ago. He is the only survivor who knows exactly where the ring is kept...