Madeline and the girls boarded an ocean liner to Tahiti Island, where they learned to surf, snorkel, and participate in local dances. At the same time, they thwarted a villain's evil plan to reactivate the Tahiti Nui volcano in order to loot the island's parliament building during urban evacuation. But Madeline's happiness was thwarted by a falling out with her best friend Pepito, and she found that a beautiful friendship was more valuable than the best vacation in the world.