Desc: Unternehmen Geigenkasten: Directed by Gunter Friedrich. With Alexander Heidenreich, Dirk Bartsch, Peggy Steiner, Matthias Krohse. Ten years old Ole often gets in trouble for his crazy ideas. Just released from hospital after an attempt to fly with home-made wings, he becomes witness of a traffic accident. He observes that one of the men has a false beard, which makes him suspicious. Together with his best friend Andreas he will investigate the case in the manner of Sherlock Holmes and Dr. Watson.