Five children aged between 11 and 13 years old from every continent of the world form the Krakatek Team. They will travel around the world in a big boat, the Mola Mola (the name ""sunfish"" in Latin) with the most sophisticated equipment and accompanied by the captain, an English scientist and a German professor, in addition to other crew, consisting of several sailors, the chief engineer, the cooks ... An enigmatic character, the Greek patron Fassoulas, is responsible for the adventures.
