Tonia lives with her father and grandmother. Her mother is dead, her father is an alcohol abuser and he lost his job. His grandmother decides to send him to work on a construction site in Italy for three months. Tonia will do everything in her power to foil this plan.

At the end of the 19th century, somewhere in the outskirts of the Russian Empire, a doctor administers a lethal overdose of ether to a young woman – the object of his desire. After getting away with his crime, he finds employment in a fortress, where he continues his experiments with ether to manage pain and manipulate human behaviour. Despite his evilness, it is not too late for his soul to be saved from eternal damnation…

The dark world of crime: murders, racketeering, drugs, kidnappings. There are no rules here. Working in this world makes cops cynical and ruthless. There is a fine line between them and criminals - will any of them cross it? The main characters are officers from the Department for Counteracting Criminal Terror and Homicides. The action of the series is an extension of the threads that appear in the feature film. It presents in a realistic way the brutal and dark world of crime that officers encounter on a daily basis. They're not just tracking down murderers. They fight racketeering, kidnapping, drug trafficking while struggling with their own day to day life and problems.

The dark world of crime: murders, racketeering, drugs, kidnappings. There are no rules here. Working in this world makes cops cynical and ruthless. There is a fine line between them and criminals - will any of them cross it? The main characters are officers from the Department for Counteracting Criminal Terror and Homicides. The action of the series is an extension of the threads that appear in the feature film. It presents in a realistic way the brutal and dark world of crime that officers encounter on a daily basis. They're not just tracking down murderers. They fight racketeering, kidnapping, drug trafficking while struggling with their own day to day life and problems.