en Cuevana 3. At 30, Oleg and Seryoga still dream of becoming rock stars. They play in a little-known band, live in a communal apartment, and are preparing for an important performance at a local festival. On the eve of the concert, they are unexpectedly approached by Oleg's uncle, a 50-year-old man with mental disabilities, whom the boys cannot leave unattended, not even for a minute.