Welcome to Hero Academy! Join Jack and your other new classmates at this secret school, where the lessons are more exciting than Maths and PE. When a portal from the evil underground realm of Noxx is discovered beneath the school, Team Hero needs your powers. The next invasion is upon us . . . The students of Hero Academy are visiting a rival school. Tensions are high between the two groups - but they must work together to defeat a common, frosty enemy!