One day Dana Larina died - she fell into an icy abyss during an expedition to Elbrus. But instead of simply disappearing, she finds herself in a stone city under a silver veil. What is this - a parallel reality, a fairyland, a magical world? Dana is almost ready to believe it, but suddenly a man comes to her aid, whom she met just a few months ago at an ordinary Moscow party. Two realities, familiar and magical, are closely intertwined; in order to survive and return home, Dana will have to investigate a crime that happened thirty years ago and expose the killer who is already on the hunt...