Mania’s hysterical mother leaves the little girl at her aunt’s in the countryside. On her lonely summer holiday, Mania makes friends with a hen. The girl stages a rebellion when she realises why her aunt keeps chickens.
Piotruś goes to play the accordion at the centenary of a small-town parish to impress a girl. A quiet, shy boy meets many colorful personalities on his way, who put him to the test, but also help him overcome shame and allow himself to be himself.
