Joko is a young man who works on the cistern, he is the only breadwinner in a family. On his second anniversary of employment, Joko and his colleagues meet with foreign delegates who force boy and the rest to… carry on their back. At first, Joko is against and rebels against this humiliating activity. However, under the pressure and desire to earn good money, he subsides.
| Actor | Role |
|---|---|
| MMaciej LitkowskiJoko (voice) | Joko (voice) |
| AAnna JanuszewskaMother (voice) | Mother (voice) |
| BBeata ZygarlickaWanda (voice) / Additional Voices (voice) | Wanda (voice) / Additional Voices (voice) |
 Konrad PawickiSir Barnet (voice) / Baptist (voice) | Sir Barnet (voice) / Baptist (voice) |
| AArkadiusz BuszkoDoctor Fersen (voice) / Professor Krank (voice) | Doctor Fersen (voice) / Professor Krank (voice) |
| PPaweł NiczewskiDoctor (voice) | Doctor (voice) |
 Adam Kuzycz-BerezowskiBavastro (voice) | Bavastro (voice) |
| MMaria DąbrowskaAmica (voice) | Amica (voice) |