Male opera singer and female debutante are madly in love. Unfortunately, their love is threatened by Spaceman, who is also in love with debutante, and then by eerie Sniper.

Based on the short story by Yu. Shcherbak, ‘Harmonic Inspiration.’ The film’s characters meet at a concert in the Kyiv Philharmonic. That December evening, filled with Vivaldi’s astonishing music, becomes a part of each of the four people’s lives, helping them recall and understand their past.