A friend of Elena Davydova, the owner of the Bureau of Magical Services, asked her to help investigate a series of strange murders at his countryside recreation center. He created a base on the site of an old manor with a rich history, and there are rumors that the ghost of its former owner is behind the murders. Elena is sure that the ghost has nothing to do with it, these rumors are deliberately spread by the killer. But the place where the estate is located is not easy: on the border of two worlds - the real and the magical. Therefore, Elena will need all her strength and abilities to stay on the edge and bring the investigation to the end...