1706. The Russian realm.
Young healer Svyatoslava receives an ancient crystal of Ingllia, which opens the Gates of the Betweenworld. Wanting to possess this unique stone, the forces of Darkness—on behalf of a powerful Order of Jesuits—launch a bloody and dangerous “hunt” for the girl.
By a miracle, she manages to avoid death. But, never getting the crystal, the Order sends its undefeated Dark knight, Christian von Rember, to Svyatoslava.
The young man is tasked with putting the girl’s vigilance to sleep and, through cunning, marrying her in order to seize the ancient crystal. However, the young Svyatoslava is not as naive and foolish as the dark ones think…