Earth Bound tells the story of Ninten, a 12-year-old boy from a small town, who journeys around America using his psychic powers to collect eight melodies in order to save the planet from an evil race of mind-controlling aliens. Along the way he is joined by four friends; a brilliant-minded young boy tormented at his school for being a weakling, a PSI-powered girl whose mother mysteriously went missing, a gang leader whose parents were murdered, and a young but powerful tomboy girl who he rescues from a cemetery. They meet many unusual characters and visit strange settings before ultimately confronting the leader of the aliens, Giegue.
