Centuries ago a sorceress lived in these forests, and she had three daughters. Once daughters envying to the mother decided to kill her and take away a gift to itself. Since every winter a sorceress, not finding rest post mortem, goes out on a hunt, searches the killers. And if a girl comes across, takes her for daughter kills. Such fairy-tale is told to each other by the students of private school in Moscow Suburbs, but nobody truly disbelieves in her until in it is not begun the forest to find kill girls. The father of one of students applies in Institute of research inexplicable with a request to find a maniac, in fact he is sure: such deaths already took place at school thirty years back. Coming Войтеху and his command to understand the lots of old legends, know the real history of ghost of Black Lady and make an effort find a killer till he again will disappear on thirty years.

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