Grzegorz, diagnosed as an autistic child, lives in his hermetic world, unable to establish contact with others. When he turns fourteen, it turns out that the cause of isolation is not autism, but hearing loss, which hides great musical talent.

Michał Sikorski
as Grzegorz Płonka

Małgorzata Foremniak
as Małgorzata Płonka

Łukasz Simlat
as Łukasz Płonka

Konrad Kąkol
as Michał Płonka

Jerzy Stuhr
as Henryk Skarżyński

Irena Melcer
as Justyna

Lech Dyblik
as Juras

Grażyna Sobocińska
as Alicja

Barbara Wypych
as Krystyna

Weronika Humaj
as Joanna Płonka