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.
A cruel dictator rules a Latin American state. Corruption, brutality and exploitation are present every day. A few people begin to organise resistance. Under the leader "El Leopardo" a small group of guerillas fights against the violent government.
