Four best friends. They've been to war, they've seen life, but they are still passionate, young and willing to serve their country. They found their place at OMON - Russian Special Police Squad. They can count only on each other, and their real family is themselves. After working hours they become simple guys with ordinary dreams like family and comfort. But life changes when once in a night club the friends incidentally get in a fight with the local mafia. It turns out that they have no fear and they are ready to stand for each other whatever happens.

In Imperial Russia, Anna, wife of the officer Karenin, goes to Moscow to visit her brother. On the way, she meets charming cavalry officer Vronsky, to whom she's immediately attracted. But in St. Petersburg’s high society, a relationship like this could destroy a woman’s reputation.

The protagonist of the series is 30-year-old gamer Igor, who does not think that it is time to grow up. Waking up in the morning in a room where cans of energy drinks and gamepads are scattered is a common thing for him - he does not feel the passage of time and can play around the clock. Any questions and difficulties in his life are usually solved by relatives, he is completely unorganized for an independent life.

St. Petersburg, 1860. After a member of the imperial family is assassinated, Fyodor Dostoevsky meets one of the conspirators, who reveals that his comrades are planning another attack to the Tsar's life. Plagued by debts and struggling to finish his latest novel, Dostoevsky must act fast to call off the plot.

In the evening, a writer meets a boy crying in the park, who tells him that while playing a game he gave his word of honour to guard a gunpowder storage shed and that he couldn't leave his post. The writer helps the boy to find an honourable way out of the situation.

Max Flamberk, an uncompromising police detective, is conducting an unofficial investigation into the case of missing people. He obsessively believes that all the missing are mysteriously connected between, but none of his colleagues share his views. When the hero came close to solving the clue, the key witness perishes mysteriously. And everything looks as if Max, who had lost his mind, is guilty of this. Having lost the badge and trust of former colleagues, Max has the only chance to return his good name - to reveal this confusing business. But it will not be so easy, because now, in addition to former colleagues, Max is hunted by an ominous stranger from another world who clearly does not want the truth to come to light.

A humble history teacher Alexander Lvov, happily married to Anna, a woman with a child. His adopted son, 8-year-old Vanka, has long become Alexander's family. But here comes back from the army paratrooper Vadim Kotov, who served under the contract, Anna’s ex-husband and Vanka’s father. He wants to get his son back. In men, a serious conflict is brewing.

Maya becomes the target of the Russian mafia after her husband, a successful American businessman, is killed.