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.
as Lelle
as Nisse
as Carson
as Nurse Sara
as Nisse's mother
as Nisse's father
as Doctor
as Nurse
as Janitor
as Young Man
as Daycare worker
as testing nurse
as student nurse
as Robinson
as newsreader