A teacher at a Yakut music school must make a choice between a sacred song from the dark past and love that heralds a bright future.

The film tells the story of 27-year-old Prokopiy, a man with autism who lives in isolation under his mother's strict supervision. His closed world changes with the arrival of Aiyyna, a girl who opens the outside world to him. Their fragile relationship becomes a test for all the characters. Prokopiy decides to leave his familiar cage and live his "seven days of happiness," discovering the world and himself.