There was a murder in the studio of a professional expert - appraiser Boris Druyan. Druyan himself was killed and the director of the art museum Anna Khaletskaya was hanged. In the course of the investigation, it becomes clear that this is not a classic murder and suicide, but a double murder in order to disguise a major fraud in the field of art.

The corpse of a woman who disappeared 12 years ago was found at the dump. Suspicion falls on former fellow students - the deaf Alexander Morozov and his successful "friend" Lipatov.

Ilona Skorobogatova, author of the infamous bestseller "My Dad is a Bandit", decides to write a second book. Perhaps this will be a new exposure of the criminal community. But suddenly Ilona is killed in her own apartment. The detectives have to figure out who committed the crime - the mafia or someone else.

The daughter of a famous athlete in the past leads a real party life of "golden" youth. Her father Roman Viktorovich Tolbukhin is dissatisfied not only with the lifestyle of his only daughter, but also with her environment. Attempts to "dig up" something on the daughter's "dear friend" lead to a sad end - Tolbukhin is killed at a sports base. The thread of the investigation leads the detectives to expose the agent leading a double life.

A successful plastic surgeon Pyotr Klimov's wife disappears. Detectives Georgy and Irina begin their investigation. Petr Klimov himself falls under suspicion. But there is no evidence - the killer carefully covered all traces. The detectives will have to work hard to prove the guilt of the criminal.

A clever swindler, posing as a descendant of the Romanov family, fakes his own murder. Very influential people fall under suspicion. In the course of the investigation, it turns out that the fraudster is still alive, and the detectives have to exert considerable effort to make him discover himself.

Detectives investigate a series of murders in which petite women become victims. Igor Toropov - the real "Don Juan" - has four mistresses. Suddenly, all four girls declare their desire to take the relationship "out of the underground" - but this could seriously interfere with Toropov's plans.

Having owed a debt to one of the creditors, Sergey Kalganov provokes him to take tough measures - the creditor orders the kidnapping of Kalganov's wife and daughters. The executors of this order exceed their powers and rape one of the daughters. Now the detectives need to find this bastard.

A young couple, Yana and Oleg, decide to quit drugs and start a new life, especially since a child will soon appear in the family. But suddenly the girl is killed. Who wanted to interfere with the happiness of a young couple? Perhaps Oleg's parents did not approve of the choice of their son.

Leonid Zvezdin is terrified for his safety. He equips his apartment with the latest technology, turns the bathroom into an impregnable fortress. It is no coincidence that he dies there. The death of a businessman played into the hands of many - detectives will have to sort out the complex relationships of the Zvezdin family in order to understand that the killer must be looked for somewhere nearby ...

The body of Philip Kapranov, released from prison just two days ago, was discovered in the botanical garden. Suspicion falls on the sister of the deceased, Lika Khmelnitskaya, who changed not only her surname, but also her appearance. Unrolling the tangled tangle of fraud with the money that Lika got from Kapranov, the detectives go to a ghost-man, whose life can hardly be called real.

The life of the former ballerina of the Bolshoi Theater Tamara Ignatievna Florenskaya was shrouded in mystery. There were incredible rumors about her wealth, and Ekaterina Finogeeva, who has been caring for the elderly actress for a long time, hoped that the will would be in her favor. But after her tragic death, no will was discovered, no untold treasures. The tragic death of Ekaterina Finogeeva opens the veil of secrecy over the fate of the ballerina's inheritance and leads detectives to a fanatical lover of cars.