Pepe Nietnagel's father has a valuable stamp collection stolen in Amsterdam. Street musician Pit recovers it. To show his gratitude, Pit is invited to Baden Baden and enters the Mommsen Gymnasium. There, he joins Pepe in his pranks.
Oberstudienrat Geis

Fritz Tillmann
Kurt Nietnagel

Heinz Reincke
Herr van Dongen

Hans Terofal
Pedell Georg Bloch