On what starts as an ordinary day, Jack and Annie are whisked away by the magic tree house to the remote Galapagos Islands. Upon arrival, they are magically transformed into “World Turtle Experts,” a role they must quickly embrace to complete their newest mission. A giant tortoise is in grave danger as a nearby volcano begins to erupt, and the siblings must use a combination of their newfound expertise and sheer determination to save the creature. Their high-stakes rescue involves a thrilling helicopter ride and navigating rushing lava, making it an unforgettable addition to their global adventures.