Eon Kid Marty, an ordinary 11-year-old boy, suddenly becomes the human extension of the Fist of Eon, gaining amazing fighting powers. With the evil General's dark armies in pursuit of his newfound weapon, Marty has supernatural adventures and, along the way, meets two friends: Ally, a big target for the evil forces, and mysterious Gaff, who can help him understand his new powers and uncover secrets from the past.