The story of a 14-year-old boy's problems. Unable to overcome his parents' divorce, Steffen mutates into a "failure" and has to repeat year 7 at school. His mother and teachers are helpless and disappointed in the boy. He remains withdrawn from them and builds his own world by escaping to an old tower where he secretly writes poetry. Franziska, one of Steffen's classmates, is very fond of him and stands up for him; she fights for Steffen's fair treatment. Then the friendship between the two young people is put to the test by the boy's mistrust.