A randomly recorded video of four cello students playing goes viral, and they form a quartet. Torn between growing popularity and preparation for a prestigious contest, the young talents grow up, facing various obstacles and temptations.

The story of four Gnessin Academy students. Young and talented cellists have a new teacher who makes demands on them at a completely different level. A randomly filmed video of the four of them playing goes viral, and they form a quartet. Torn between their popularity and preparation for an international competition, the characters grow up, encountering the temptations of youth along the way.