Moscow, year 1982. Scientist Matvey Pyotrovsky creates a time machine and conducts a scientific experiment, which divides the apartment in two parts. It's first part is left in the 80-s with the professor, while the second one is transported to year 2020 to a modern family: businessman Sergey, his wife Svetlana and daughter Kristina. This kind of coliving creates a lot of trouble for everybody, since layering of two times means each of the families has lost access to the other part of the apartment. But problems don't end there: inventor's grandson Pavel, after waiting for 38 years, tries to prevent one tragic incident.

Anya is a mother of many children. Yana is a convinced childfree. They have diametrically different ideas about happiness, but the same - about friendship. Together with kindergarten, they cannot imagine life without one another and have long resigned themselves to the fact that they will never understand each other in family matters. The status quo lasts thirty years... until this story begins.

Victor Gromov, once a legend of Moscow’s criminal underworld known under the nickname “Butcher”, has since retired and now spends his days enjoying life on his farm. One day, Victor’s former “colleagues” show up and tell him that he must store the mafia’s common fund in his offshore bank account. Victor has no choice but to help them. Several months later, on the day when he is supposed to give the money back, Victor gets hit on the head by a falling billboard. As a result, he forgets the password to his bank account. Fleeing for his life from his former cronies, Victor decides to hide in a freight train’s boxcar but ends up getting locked inside. The train departs, and several days later he finds himself thousands of kilometers away from Moscow, in a small northern town called Polyarny, which, as it turns out, is not so easy to get out of...