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.
Directed byMichael Steiner
Written byChristoph Frey, Thomas Hess, Jann Preuss
CountrySwitzerland
Runtime100 min
On screen
Manuel Häberli
Janic Halioua
Dominic Hänni