The Slezkins, shuttle bus drivers, are used to living paycheck to paycheck. But one day they get an apartment in a prestigious area and immediately encounter class hostility. Millionaire Kotlovs - Sergey, his wife Ekaterina and mother-in-law Tamara Pavlovna - are not ready to put up with neighbors of lower origin. The conflict escalates into war when their children Rita Slezkina and Arseniy Kotlov begin dating. The desire of the young to annoy their relatives suddenly turns into a real feeling.