After the summer holidays, Marion, Conny, Gaby, Jacqueline, and Uschi are on the train to Seeburg, where they attend boarding school. During the trip they meet trumpet-player Jochen and his band.
as Marion
as Bandleader Jochen
as Internatsleiterin Busenius
as Schulrat
as Referent Mayer
as Barbesitzer Blatzmann
as Conny
as Jacqueline
as Assistentin des Schulrats
as Musiker Bud
as Gaby
