Jake's father disappeared while helping the reclusive scientist Oberon Venn conduct experiments on a secluded English estate. Jake is sure that his father was killed by a man whom he considered his friend, however, after visiting Venn, the young man learns the incredible truth. The black mirror, on which experiments were carried out, opens the way to both the past and the future. Venn is not the only one who wants to take advantage of this miracle. The mirror, like a powerful magnet, attracts mysterious strangers. Fugitive Sarah Stewart, who appeared from nowhere, prefers not to say anything about herself. Maskelyne, a man with a scar on his face, claims that the mirror was stolen from him in one of the past centuries. Other uninvited guests arrive, and now the snow-covered estate is surrounded by primitive creatures from the Shi tribe, familiar with magic and hostile to humanity. For the first time in Russian!