In this human world, there are only four special human beings born with the four elements: terra (earth), aqua (water), aer (air) and ignis (fire). Ryan Higa, Sean Fujiyoshi, Catherine Dekoekkoek and Mia Lynn are the human beings who possess these elements. Ryan Higa with fire, Sean Fujiyoshi with earth, Catherine Dekoekkoek with water and Mia Lynn with air. The story goes along on how they discovered their talents and how they coped with it.