Sleeping soundly on a train, Mia and her sister Nia are literally blown into a wild adventure they will never forget. Armed with a Miracle tennis racket made by their eldest sister, Lia, and with the help from a cat and sentient Qube, Mia and Nia must deflect and parry their way through a horde of interdimensional destroyers known as the Geos! With Lia captured by The Void, Mia must find the other Miracle Rackets her sister made and team up with her cousin Coco and her Maidens to fend off the Geos and save her sister, all while being pursued by a mysterious Woman in Red! …