After her surgery, Zuzia returns to Poland, but her loyal dog Lampo has disappeared. In a panic, the station master who had been caring for him tries to hide the truth by adopting another dog – a female named Luna. Together with her friend Antek and Luna, Zuzia sets off to search for Lampo, while the anxious station master follows closely behind.
The film is available in the following versions:
-dubbed in Latvian;
-dubbed in Russian with Latvian subtitles.