When Mary's husband dies from a freak accident, her estranged in-laws show up at her doorstep. She offers them a room and in doing so invites an unimaginable evil into her home.

The history of the confrontation between two worlds: the Grand Duchy of Moscow and the Ural Parma, the ancient Perm lands inhabited by pagans. Here heroes and ghosts, princes and shamans, Voguls and Muscovites will clash. At the center of the conflict of civilizations is the fate of the Russian prince Mikhail, who fell in love with the young Tiche, a witch-lamia capable of taking on the form of a lynx. Passion for the pagan and fidelity to forbidden love, a campaign against the Voguls, bloody battles and a short peace, the battle between Muscovy and Parma, the hero will face trials in which it is not so terrible to part with life as to commit treason.