The ten year old Nisse suffers from acute asthma and is rushed to the hospital. There he meets Lelle who is a bitter, lonely and seriously ill twelve-year-old. Lelle, who never gets any visits treats Nisse kindly. Lelle inaugurates Nisse in his secret plan to build a giant Zeppelin and steal the food available in the hospital's underground reserves.
- Genre: Family, Comedy, Drama
- Studio: Sandrews, FilmTeknik, Cinetofon, Svenska Filminstitutet, SVT
- Keyword: hospital setting
- Cast: Max Vitali, Oliver Loftéen, Gösta Ekman, Kristina Törnqvist, Gunnel Fred, Hans Wigren