A very specific inspector comes to Polyarny in order to assess the readiness of facilities for the Biathlon Cup. Vitya, of course, has her own plans for him. Tolya and Kolya get a task from Irka – to change the mattress. And, as always, they approach the task very creatively. And Novikov goes to a regular grocery store for the first time in many years.

Lomaev decides to set up representatives of the indigenous peoples of the North against Vitya. Will it work? Kolya offers Tolya a new startup – a polar photo with a live boa constrictor. What could possibly go wrong? And Antonina Vasilyevna finds out that Nemolyaev has big gaps in the school curriculum.

Kolya offers Tolya to illegally get hold of gasoline at the carpool. Bolt decides to replace Angela's vitamins with slightly different pills. And Slava begins to doubt whether he should marry Lyuba.