The beginning of the 70s. Major Cherkasov and his team are investigating a new case. This time we are talking about robberies. And this is the sphere of management for combating theft of socialist property (UBKhSS). During the robberies, the bandits mercilessly kill witnesses. The robberies are well organized and well thought out. And someone very knowledgeable prepares them. The leadership decides to unite the efforts of two departments of the Moscow militia against the "outlaws": the Ministry of Internal Affairs and the UBKHS. Together they are preparing an operation to arrest the gang.

1947 Hunger and devastation reign in the war-drained country. Bread is worth its weight in gold, and the cost of human life is zero. Cities are controlled by criminal gangs: like black cats, they come undetected under the cover of darkness and easily disappear from the crime scene. A gang operating in Rostov-on-Don is robbing a food warehouse, but OBB Major Yegor Dragun suspects that this is not the work of ordinary criminals..

After graduation our main character Yesenia dreams about work- ing with Rodion Meglin. He is a mysterious, secretive man, a lone investigator with little known about his methods. When Yesenia turns into his trainee she begins to realize that the essence of his method is that Meglin himself – that of a maniac. He feels them instinctively. He is allowed to eliminate some of them, look after others and save their lives. Our heroine who was never meant to work alone will go alone, facing the most horrible crimes of the last decade.

Summer 1980. While the Olympics held in the USSR, strange and horrible things are happening in a run-of-the-mill pioneer camp. It turns out pioneer vampires exist not only in horror stories. Smart beyond his years, independent, sensitive and determined to go all the way for the right reasons, main hero Valerka, arrives at summer camp ‘Thunderbird’ for 3 weeks of carefree recreation. Little brave boy secretly aim to discover the reason behind his brother death. Harmless and eternal journey begins to turn around when he soon discovers that one of his roommates is actually sucking the blood. Now, the independent hero must team up to find out how the vampires ended up in a Soviet summer camp, how to destroy them, and who actually killed his brother. Upon the way, Valerka learn how to trust, meet friends and sacrifice himself to the one he truly fell in love. The cost of everyone`s freedoms turned him into a vampire. Has he turned into a monster forever?

At the beginning of the war, the Germans throw their saboteur into the USSR. The landing is unsuccessful - the spy is captured by the NKVD. When trying to escape, a saboteur who turned out to be a Russian thief in law, accidentally remaining in the occupied territory, dies. In order to find the other spies involved in the operation, the security officers have to turn to the criminal's twin brother, a rural teacher. He takes the place of the deceased in the German intelligence network and enters into a deadly game...

On 8th October 1941, Stalin issued a secret order forming a female aviation unit.

In the center of the plot is a senior investigator named Masha Shvetsova and her male colleagues. The plot is the most vital, but, like in “Streets of Broken Lanterns,” it is seasoned with a fair amount of humor - otherwise, how can the audience (and the heroes) endure countless morgues, identifications and other “cute” charms of the investigative routine?