In the beginning the young Kryptonian has been send to Earth by his parent's because their planet core has become unstable and because the destruction will wipe out all of the Kryptonians. Except one, the last living Kryptonian that landed on Earth and was found by Earth farmers in the small Earth village called Yoshi. They raised him as their own, when the parents found out about his power's they told him to keep it a secret for his own safety but in time (Y/N)'s power's will slowly grow and gain a new abilities that no benders ever possessed. (Y/N)'s parents saw their son's potential and they believe that (Y/N) will find the Avatar and help him to save the world.

Imagine if the planet's core suddenly started to freeze over. That is exactly what our heroes have to endure as they struggle to stop the core from freezing and completely destroying life on Earth as they know it. Along their journey, they make new friends, discover long lost secrets and endure what no human being has ever endured before.