He's the choosen keyblade wielder who must find and destroy all heartless. Not to his knowing destroying heartless has unlocked a secret weapon to strengthen his newest enemies, the Organization. He is looking with his friends Donald and Goofy for King Mickey, Riku, and Kairi. He's very confused that any Organization XIII member that he faces calls him Roxas. Eventually, he finds out that Roxas is the XIIIth member and his own Nobody. Confusing right?