The life and reign of Polish king Casimir III The Great.
The owner of an ice cream parlor in a coastal town is murdered. The investigation is conducted by platoon leader Rogowski, but soon he is joined by Lieutenant Joanna Szczęsna from the voivodeship headquarters.
A young Janka leads a band of kids in 1920's Poland, experiencing many adventures and witnessing technological innnovations along the way. The first of two theatrical films edited out of the original TV series.
