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.

The series takes place in a small Russian town where a deadly virus appears. Most of the inhabitants die, only a few people remain alive, who are affected by sleeping sickness: people cannot wake up on their own, and after two hours of sleep they fall into a coma.

The brisk and determined Sasha wants to take revenge on her ex-boyfriend and disrupt his wedding. To put his plan into practice, Sasha comes to St. Petersburg, where he gets a job at the registry office. But instead of the registrar of weddings, she gets the place of the registrar of divorces. Sasha becomes a witness to many ridiculous situations, as well as a participant in romantic adventures.