Oleg's young beautiful daughter Alyona falls in love with his once best friend and peer, Anton.Oleg does everything he can to prevent the union of his only daughter with an immoral type like Anton, whose past makes him the worst candidate for son-in-law in the world.

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.