The touch of the goddess Mara kills... The sorceress, who wishes to embrace this beautiful mistress of death in his arms, first needs to get to the legendary “Dove Book”, which stores all the wisdom of the Slavic world, and find out how to protect yourself from the spell of the cruel goddess. So that later, without interference, you can find the entrance to the world of the dead. Even for Oleg Seredin, who by the will of fate found himself in Ancient Rus', this is not the easiest task...