Ivano-Frankivsk region homicide investigator Danila Nimak is not like everyone else.He has little interest in everyday life and family. Work is everything to him.And now he is in the epicenter of the incident on the trail of Dovbush. The execution of the elderly teacher from Lvov is obvious to him. With his instinct of an experienced hunter, Danila finds the killer's business card in the mouth of the corpse. He realizes that this is no ordinary murderer.That same day, for some unknown reason, he is removed from the case. However, Danila doesn't stop there. Enlisting the support of the ubiquitous journalist of the main TV channel of Ukraine, Nadezhda Avdeeva, Nimak continues to investigate.Whoever disturbs Danila, tries to incriminate him in a criminal case against himself. In fact, forcing the investigator and the journalist to hide from law enforcement agencies.At one point, when Danila and Nadezhda have a lead to the perpetrator, they are surrounded by law enforcement officers right in the hotel.But, the dodgy Nimak, taking his boss hostage, escapes the chase. The freedom doesn't last long. The KORD fighters take them in, and as it turns out, not to shut them up.Minister of Internal Affairs Avazov meets the couple in the woods at a hunting lodge. The politician offers to continue the investigation and agrees to cooperate with the Belarusian security forces.The couple travels to Belarus to investigate a series of similar murders that began decades ago.But whoever started this game is playing it dashingly.Nimak is accused of a murder that took place in Belarus on the day they crossed the border exactly where they were.It is obvious that everything done in Belarus is known to the Russian secret service. The couple is secretly transported to Moscow.They start beating Danila, at the last moment he spits in the face of the colonel...Avdeeva is tried for illegal crossing of the Russian border. She faces a prison term.But at the trial she is released. Avdeeva is freed at the trial. A flight from Ukraine is sent for her by Avazov.Danila wakes up in the cell of the most famous prison of the federation - Black Dolphin.He is serving a life sentence. Here the living envy the dead. But! Our hero doesn't give up, even here he plans an escape. And paradoxically, he succeeds.Escaping from pursuit, he crosses the border of Kazakhstan. Local patriots help Danila get to the Ukrainian embassy.Danila is reinstated to duty. Nadezhda and the investigator continue to investigate. Eventually, the couple ends up in the village of Belokorovichi, in the Zhytomyr region. They meet with Kutsepalov, and he tells a story of murders dating back to 1947.It turns out that all this is connected with the red-headed enkahedrons. Kutsepalov, aka Churasov, commander of a special punitive detachment. On whose conscience thousands of mutilated, raped, burned, hanged, thrown off cliffs and buried alive patriots of Ivano-Frankovsk region, who fought against any occupation.At some point, Danila's nerves give out listening to this hellish executioner's confession, and he pulls the trigger.Nadezhda and Danila bury the corpse in the woods. They return to the house, and there is an ambush. The killers are waiting for them.The mother, and her two adopted sons. She is the one who avenges her crippled youth. It was Churasov who first raped her, the girl, and then threw her into the abyss. She survived, left for the rest of her life with a disfigured psyche and appearance.Danila and Nadezhda now know everything up close and personal. Who, and why they killed. Such knowledge does not suit the killers.They take the couple for further elimination without trace