Adventures of the six Ramblers

The adventures of six hikers around the Vltava River. It is a story of Jack Aspirin about a raid on a ship - Mayor Ditrich on the Vltava River, what preceded it, the capture of hikers and imprisonment in a pub, their escape from captivity, the eternal warfare of two groups, hikers and parachutes in a hilarious musical series with exaggeration where they fight musical instrument and song.