Troy Tomler just can't seem to find the sport that is right for him. After a school bully picks on him, his principal recomends karate classes. Troy has a tough time on his first two lessons and wants to quit, especially after he notices that one of the black belts has a secret power. Trying to find out more, Troy opens a mysterious box he finds in the karate studio, and it propels him and the other students into another unioverse! Troy must learn new martial arts skills and master the amazing game they have all become a part of, before anyone can get back home. He has to hurry or they will be locked inside the game forever! Read by Ray Delnicki