The four young snoopers Tim, Karl, Kloesschen and Gaby by chance discover a hidden cave near an old castle. In it there's a board that seems to describe the way to a legendary sword. They ask their history teacher Schindler about it. He forbids them further actions, but secretly continues investigations with help of two ruthless criminals. But our young heros don't give up on an adventure so fast...

Four Junior Detectives

Leo the foreign legionnaire, Wilhelm the priest and Charly the brothel owner are unequal brothers. Wilhelm is determined to have Charly's brothel closed down. When Charly kidnaps Wilhelm to his brothel, he recognizes his brother - and promptly pretends to be him. And then Leo comes along as well.

Nich' mit Leo

Kurt and Lydia are planning a relaxed vacation at the Gripsholm castle in Sweden . What Lydia does not know is that for Kurt, a well-known publicist, the journey is actually a flight from encroaching fascism and a direct threat from the Nazis.