Stories from the life of three cohabitants who, while solving everyday conflicts, find themselves drawn into absurd situations: an alien invasion, rivalry with an ancient Egyptian god, space flight, escape from the underworld, and even the arrest of the real Santa Claus.

Andrey Viktorovich Izvorin is a very creative person. He draws comics and publishes them under the pseudonym Hunter, and the rest of the time he teaches history at a university and sincerely loves his subject. Izvarin came up with a theory according to which every unsolved crime, including if an innocent person was punished for it, inevitably repeats itself. The ability to draw and think with pictures, as well as knowledge of history, help him and investigator Anna Rybakova to follow the trail of the most unusual maniacs and solve the most complicated murders.

A tragicomedy about a talented, but not very successful musician, Kolya, who plays the French horn and desperately tries to find a place in a well-known orchestra. He defends his right for victory with a complicated deal with his own conscience…

Tourist police officer Lera wants to investigate serious cases and dangerous crimes. But in her department, they are as rare as the good mood of the boss and the intelligence of her colleagues. Despite this, Lera essentially refuses the “cushy little town”, carefully prepared by her admiral father, and does not give up work in the special division for the protection of public order in Sochi. But just how to continue the service and protect the peace of guests of the city, contacting a thief and a swindler?

The hostel number 3, in which the heroes lived, is being demolished, and three guys (Michael, Anton and Kuzya) are relocated to a new hostel. In the new building they are settled in block number 510 with the girls Christina, Yana and Masha. Kuzya begins to date Masha, and Anton dates Christina. Later Kuzya leaves for Agapovka, the botanist Valentin is settled instead.

Sergey works in a private security agency. One day he saves a stranger from a bullet and he gets wounded.