Igor Chetverikov

When the Soviet Union ceased to exist, the young country faced the task of protecting its borders using its own resources. To address particularly challenging tasks related to combating smuggling, illegal emigration, and carrying out many other dangerous operations, a separate active measures service was established — OSAM. It will be headed by Anton Pekarsky, a veteran of the Afghan war.

Border guard officer Anton Pekarsky, after serving for ten years on the border in Central Asia, decides to return to his native Belarus. He is repelled by the attitudes that began to prevail at his former place of service after the collapse of the Soviet Union — corruption and complicity with illegal border violators. Therefore, at first, he turns down an offer to head one of the border outposts on the Belarusian‑Lithuanian border. However, when he arrives at his native border town with his daughter, Anton Pekarsky realizes that his integrity and experience in border affairs are very much needed there...

Belarusian border guards detain cargo being illegally transported across the Dnieper section. However, the contraband turns out to be one of the anti‑aircraft missile systems stolen in Ukraine. To investigate this case, OSAM — a separate service for active operations — is involved. In addition, the Ukrainian side sends its own agent to participate in the investigation. The MANPADS must not be let loose, but there is no trust between the parties.

The dancer Nastya Beletskaya, Kachura’s school friend, whom he had a crush on, returns to her native Zarechye. The lieutenant can hardly recognize the temperamental and strong Nastya he remembered in the subdued and silent girl. At the same time, several criminal events unfold in Zarechye: illegal immigrants, the murder of a shop owner, and the arson of the house of the widow of an influential businessman. During the investigation of the crimes that have shaken Zarechye, Kachura’s work and personal experiences turn out to be intertwined: Nastya Beletskaya becomes one of the suspects in the criminal case, and her criminal past is also revealed. Nastya does not admit her guilt and conducts her own investigation, just like Lieutenant Kachura, who himself turns out to be a suspect. Meanwhile, the investigation brings all the initiated criminal cases together…

The protagonist of the film is a rural district police lieutenant, Andrei Kachura. Due to his character, his friendly attitude towards people, and his natural resourcefulness, Kachura is always drawn into the investigation of a criminal case and becomes one of the key figures in solving it.

In the victim’s bag, experts find traces of an unknown synthetic drug used for the homemade production of “spice,” the distribution of which has already spread beyond the boundaries of the district and the region.