When siblings Mia and Leo move to the sleepy town of Cloudberry Hollow, they stumble upon a peculiar map hidden in an old library book. It leads them to a mysterious treehouse in the woods, filled with gadgets, glowing books, and a diary belonging to an inventor who vanished 50 years ago. As they unravel the clues, the kids discover a magical secret that could save their town from an impending storm-or unleash a forgotten danger.

A tale of teamwork, adventure, and the magic of discovery!