Midnight ambush by unknown perpetrators velkosklad flowers Stanislava Krekovič. Machine gunfire killed four people and the perpetrators steal a few million. Only a child survives the massacre. The same day rookie Tomas Benkovský is on board ONK, who at his own request was transferred to the capital. The very first day of work awaits him investigating the brutal mass murder ...

Investigators Ivana Tomečka concerned about problem behavior of his daughter, who skipped school and socializes with hooligans. He begins to worry about her. Drug dealer - Sklenára is killed at a brothel. The murder witness was not blindfolded, so the killer can be identified. Threads lead towards drug traffickers, but the revelation of the real perpetrator is shocking ...

A decomposed arm is found leading to a corpse in an iron overload and blacksmith vessel. The identity of the murdered brings a number of questions and almost no answers. Then it turns out that the cold-blooded crime hides a ruthless and despotic killer . In addition, the police raids and arrests Ivana Tomečka's daughter . Ivana is afraid that his daughter takes drugs ...

Investigators find a tortured body of a homeless man who was to testify before the police station. Investigators are convinced that an organized group is responsible for this. The number of corpses of homeless people rises and their communities are afraid. Tomáš Benkovský attempts to infiltrate the community and yet mysteriously disappears ...

Tomáš Benkovský disappeared without a trace and searching for him does not bring any results. Chief Investigator Ivan Tomeček is under great pressure as a murder investigation went wrong. A few days later the investigators get information leading to Thomas, however, they are not sure if he is still alive because it was believed that he came across the hands of a monster in human skin...

Lorry driver runs over a young woman, and the investigation reveals that at the time of the accident she was already dead. Investigators look for suspects as they find out that a rich and successful businessman also died under similar mysterious circumstances. The investigation leads to the deep past...

In a small town some ambushes mail. Zasřelí while the local policeman. The case is summoned detectives from the capital, which local residents who are craving for revenge do not like. Investigators from ONK encounter when working with the resistance of local police officers. In addition, residents of the town are convinced that the killer knows and want revenge. In the air hangs lynching! Young criminologist Thomas Benkovský must face in investigating personal tragedy ...

The family pet Gallovičových tragedy occurs. The same night two children are missing from the family's home. Investigators must act quickly. Additionally, they are not sure whether it is a case of kidnapping or murder. The investigation will bring surprising and shocking results ...

In the forest near the city, the skeleton of a young woman is found. Detectives suspect that in their city lurks a serial killer. Investigator Ivan Tomeček faces a real risk that one of the victims was his own child. The offender is convicted for the big ONK problem - most of the murdered have been dead for several years, and no traces of bodies are found ...

A young girl appeared in the hospital. It is missing Eva Tomečková. Major Tomeček takes justice into his own hands. Tomáš Benkovský respects his behavior...