Addyson Miles wants nothing more than to see her missing brother return home. When a mysterious portal opens up, Addyson gets a chance to solve the mystery of her lost brother. She's thrown into a new world and winds up on an adventure with a magical girl, an adventurous boy, and three mysterious marbles that are linked to the legendary Marble Princess. They start a race to the Marble Princess in hopes to learn more about the marbles, Addyson's brother, and a way home. Can Addyson and her new friends make it to the Marble Princess before it's too late?