Second half of the 1970s. A few teenagers from the town of Ustrzyki Dolne, led by a charismatic and undisciplined student of the local school, Siczka, decided to become punks and get into punk rock and start a band called KSU.
Polish WWII resistance fighter Witold Pilecki infiltrates Auschwitz, is imprisoned and interrogated by communist officials post-war, depicting his wartime experiences, incarceration, torture, and 1948 execution for opposing Soviet regime.
We see the story of the legendary battle through the eyes of Jedrek - a boy who went through the hell of the gulag and left Russia with the Polish Army as one of thousands of polish orphans. Soon a decisive attack on a monastery located on the hills of Monte Cassino is to take place at the front - this spectacular battle will decide the lives of many soldiers and the fate of the Allied offensive in Italy, and will change Jedrek's life forever.