Petya is a representative of the carefree Moscow youth, and in one day he goes through a test of friendship, love experiences and, finally, an awareness of the need for change.

Leningrad, 1983. Slava, Anton, and Denis spend their days at underground rock gigs, tuning in to Western radio waves, trading rare vinyl, and dreaming of a trip to the homeland of their beloved Beatles. Romantic Slava meets a beautiful stranger on a rooftop, but she slips away. Bookish Anton secretly longs for the queen of the city’s hottest parties, while rich kid Denis has a passionate affair, though he doubts it has a future. Their strong friendship begins to crack when Denis’s father decides to marry him off to a professor’s daughter.