Four kids - Eugen, Wrigley, Bäschteli and Eduard - leave for an adventure around Switzerland, searching for the fabulous treasure of Titicaca Lake, discovered by Fritzli Bühler.
Eugen
Wrigley
Bäschteli
Eduard
Vater Eugen
Vater Wrigley
Fritzli Bühler
Vater Bäschteli
Tante Melanie
Polizeibeamter Luzern
Hausfrau
Mutter Eugen
Mutter Wrigley
Mutter Bäschteli
Polizist Bühler
Professor Gantenbein
Feuerwehrhauptmann
Director
Writer
Novel
Director of Photography
Music
Editor
