The Earth is under threat from beings from a parallel dimension. After finding bracelets made of an unknown material, some students are called on to defend their planet. A bolt of blue light marks the place where the battle, in the form of a magical and martial sport, will take place.
The bolt of light and the bracelets transform our boys and girls into fantastic beings. With the aim of winning the games and thus preserving peace on the Earth, they form incredible stunts. After their daring deeds, they return to their human form and have to face life like the children they are.