Not only the blank spots on the map are fraught with intriguing secrets and unexpected dangers, and not only in an abandoned medieval monastery, but also in the usual Moscow metro you can encounter the unknown. And simple accidents, say, a SIM card found while fishing or a strange smartphone gathering dust on a market stall, can radically change the fate of the most ordinary person. And if powerful rings interfere in the matter - artifacts from the past or products of modern science - a person can only obey fate. Or is it true that much depends on himself?