The carousel is little group of World School holidays! And this time, the adventure takes place in Panapaná camp, Alicia's grandfather.
Together they will live incredible days, taking part in a competition organized by Mr. Campos, a very nice old man who does everything for children to have fun to the fullest.
Until the bitter director Olivia seems to enjoy amid the hubbub of the students.
It is in this fun atmosphere that comes Gonzales, employee of a real estate developer, whose mission is to buy the camp ground to turn it into a polluting factory.
Even if it he needs sabotage and slander the Panapaná to force fields to close it. The task is apparently easy, but Gonzales and his faithful partner, Gonzalito, will face the Smart Class World School to disrupt their plans.
The boys need to leave the rivalry between the teams contest and come together to try to unmask the bad guys and save the camp.