There is a terrible commotion in Dasha Vasilyeva's house - guests and neighbors are dying, friends are disappearing without a trace. How are these events connected with the mysterious society "Witches of the Moscow Region"? But it turns out that it is Dasha who is the main sorceress, and even together with her own husband, who, as it turns out, is also a specialist in black magic. True, Dasha herself and Professor Manevin about this, as they say. neither sleep nor spirit. And the story began many years ago, during the then little-known Halloween holiday in Russia. Three former students went to a holiday party in fancy dress, and this is what happened ...