They are all cursed - and therefore there will be no happiness in love for either them or their children. A hundred years ago, the shaman cursed the descendants of the white man Gordeev, who deceived and abandoned his daughter. So... Gordeev married three more times - and all three wives died; Her husband left her beloved daughter Rimma; Granddaughter Nina was forcibly separated from her beloved. And so his great-grandson found himself in the arms of a black-eyed girl, Ada, who has strange abilities and a strange knife. Which seemed to guide her actions. And it once belonged to the daughter of that same shaman...