Paul and Paula have had bad experiences with love: Paul is financially well off but has lost all affection for his wife, and Paula leads a troublesome life raising two children on her own. They meet and discover a strong passion for each other. Life seems like a dream when they're together - but their short flights from the burdens of reality are once and again interrupted by Paul's ties to family and career.
Carola is a mischievous girl who doesn't care much for school- except for sports and recess, of course. Without her good friend Willi to keep her on the straight and narrow, she would really be in trouble. One day at school, Carola has an idea. She invents what she calls "International Ghosts' Day" and a ghost named "Buh" to go with it. When Buh turns out to be less-than-imaginary the two decide to switch places, with Buh taking on all the schoolwork, and Carola taking the opportunity to play practical jokes on all her friends...
No one has any time for Moritz. And at school, things are not exactly the greatest either. Moritz runs away and moves into the inside of an advertising pillar. A speaking cat, a circus girl and a street sweeper become his new friends. Gradually, they help the young boy to realize that running away does not solve anything.
