The MUR’s investigation team, led by Major Konstantin Khromov, is leaving Moscow for Ozersk to investigate a series of mysterious murders. In the city of Ozersk, a maniac performs mysterious rituals with the bodies of his victims, surrounding corpses with candles and objects from the local museum of local lore. Young investigators Olga Barysheva and Igor Lyamin, subordinates of Khromov, find out that archaeological values ​​found at the crime scene were discovered during excavations of the Scythian mound more than 30 years ago. Ominous rumors about the curse of the Scythians creep around the city ...

An alarm is growing among Ozersk residents, a maniac is still operating on the streets of the city. Khromov is sure that someone is deliberately trying to impose a mystical perception of events on the investigation team and the entire city. New killings and the disappearance of the bodies of previous victims only confirm his assumptions. Khromov is trying to find out who is behind all these bloody dramatizations ...

Suspicion falls on one of the museum staff, who has been engaged in Scythian themes for many years. The mayor and the police of the city of Ozersk insist on his guilt. But Khromov and his team do not agree with this, they are determined to find and detain the real criminal. They are trying to understand who this whole performance with Scythians and ritual murders is designed for ...

Professional intuition and a fluke help Khromov and his group find the criminal, sophisticatedly insidious and vile. The bloody performance, started because of a thirst for power, is over. Evil will be punished. Major Khromov can return to Moscow with a calm soul ...

What can worry more than the problems of their own children? Having found drugs with his daughter Sveta, Major Khromov is particularly energetic in investigating the case of a series of mysterious suicides in the city of Belogorsk, where, according to experts, these drugs come from. Thanks to the remarkable acting abilities of Olga and Igor, the investigation team manages to get on the trail of a model agency, the mistress of which is a very mysterious lady ...

Drugs, modeling agency, strange signs, suicides ... What can be in common between them? Trying to find this connection, Olga, in the guise of a journalist, communicates with the elite of the city. Soon, a sinister man with a scar begins to pursue her. Who is behind him? How serious is the danger hanging over Olga? The investigation team is trying to answer these questions. Khromov himself is seriously afraid for the life of his subordinate ...

Belogorsk is a city of chemists, but it is also the place where the mysterious suicide sect lives. Can these two circumstances be related? Khromov on the way to solving this puzzle ... What makes successful and wealthy people commit suicide? Or who? How to stop this bloody dance of death, and who could be the next victim? As always, the investigation team and Khromov need to find answers to many questions.

Of course, the most valuable thing is personal experience. Having experienced the effects of a mysterious chemical drug, Olga finds the key to unraveling the mysterious suicides of the city of Belogorsk. However, the opponent of Olga, the investigative team and the whole city as a whole, is cunning and quirky. Therefore, Khromov decides to become a bait himself. However, can the investigator outplay the insidious criminal? ..

Constant quarrels with his wife haunt Major Khromov. However, a business trip to the city of Klimov allows him to escape from family troubles. Khromov’s new business - the French exhibition at the local museum, anonymous letters with a warning about the possible abduction of exhibits - at first does not cause much interest from the detective. But subsequent events cannot leave him indifferent. The murder of a famous jeweler and the appearance of a real ghost in the local museum make Khromov take a fresh look at this matter. Can his group solve the mystery of a ghost?

The curse of the Auchanins' house, which before the revolution belonged to the museum building, is what now worries Major Khromov. Igor Lyamin, an employee and colleague of Khromov, intrudes into the museum’s guards, but soon he himself begins to fear the ghost, whose appearance is recorded by surveillance cameras ...

Various versions of the appearance of the ghost in the museum and the subsequent disappearance of people do not find confirmation. Chrome is in dismay. However, the letters of Count Ashanin to his wife, obtained in the archive, set him up in a lyrical manner. The sincerity and languor of the feelings of the noble family give the detective the opportunity to take a fresh look at his life, to understand a lot. But the death of another suspect and the appearance of a new ghost bring Khromov out of this state ...

It turns out that the murdered Borzov is a descendant of the Ashanin family. Reading the old letters of Count Auchanin was not in vain for Khromov. It is in the notes of the aristocrat that he finds the key to unraveling the mystery of the ghost and solving the crime ...