An ordinary walk through the city at night turns into a tragedy for a couple of Petersburgers: a young man is picked up by a black, black car. And this is not the only incident that exactly reproduces the plot of a children's horror story. The Crusaders will once again have to deal with a series of mystical crimes. As for the development of Faust, Konstantin decides to delve into archival affairs in order to find clues. However, this has to be done with great care, because someone in the office is watching his every move...

The Crusaders are assigned to deal with a mysterious incident in the Adamovich family castle. It seems that the ancestral curse is to blame for everything: here, in every generation, someone died a terrible death, and before that, a ghost appeared to the unfortunate. And now they saw him again! Perhaps new victims will not take long to wait, especially since criminologist Alexander Morozov sees the evil spirits...