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.

Journalist Shurik arrives in the Caucasus in order to study local culture and folklore, the ancient customs and traditions of the people in this region. Per chance he meets and befriends a girl in a mountainous town, the beauty Nina, which the gouvernor, wealthy and powerful local Saakhov, is planning to marry — if not willingly then by force. Using the gullible journalist as a strawman, Saakhov and his henchmen (the "Coward", the "Fool", and the "Pro", a trio of comic antiheros) are able to kidnap Nina, all seems to work according to plan. But realizing that he had been deceived, Shurik, who fell for Nina, rushes to rescue his beloved one, for a happy ending.

In the late 70s, the popularity of the Cornflowers screen ensemble was growing rapidly. Lena, a journalism student, gets to know the group and falls in love with the leader, Yuri Vasilkov. But suddenly the "Cornflowers" disappear from the scene. Forty-five years later, Lena's daughters and grandson Roma embark on a journey to find the missing musicians in order to collect "Cornflowers" at a teleconference on December 31 and thus fulfill the only condition in Lena's will.