Who wouldn't want a protective ghost? Nasti is lucky - she meets Rosa Riedl. A classic of children's literature. Nasti is afraid of everything and everyone. She is afraid of the basement, afraid of dogs, and afraid of being alone in her apartment. Then she unexpectedly receives help from a courageous, lovable ghost. Its name is Rosa Riedl, and it energetically intervenes in Nasti's life. This ensures plenty of excitement and a lot of comedy, as Nasti's surroundings cannot help but notice certain ghostly occurrences.