Moscow. Denis Viktorovich, his six-year-old grandson Denis, is brought to the old resident of the house on Karetny. Grandfather Denis tells stories to his grandson every day about his age, who lived in a completely different era. Denis's grandfather's stories become a portal to his carefree Soviet childhood in one of the Moscow courtyards. Stories come to life, and grandson Denis embarks on a journey into the past. It turns out that at any time, children have a lot in common — curiosity, spontaneity, immense love and interest in how this world works.

Oleg works as a realtor in a large modern city. He lives in the same apartment with his wife Lena and son Egor, and likes to spend his free time in the company of his mistress Lyali, who regularly supplies him with banned substances. One day Lena leaves town and leaves her son to Oleg. The father makes another drug order and goes to the specified point with his son. Instead of his bookmark, Oleg takes a kilogram of cocaine and, faced with the real owner of the goods, hides from pursuit by car.