Pagan Rus' of the tenth century. Funeral pyres blaze, and the blood of babies stabbed to death by priests flows onto the stone altars of the ancient gods. With a squad of thugs, sowing death and destruction, the ominous king Voldemar is coming to Kyiv. A few Christians expect reprisals any day now. Here, into this strange and terrible world, an unknown Something mysteriously transported a young Moscow doctor named Vladimir. He needs to survive himself, and at the same time save the girl Lyubava-Seroglazka, whom he met and fell in love with. But why is he here? And what awaits him ahead?