It has been a year since the events of "Kingdom Hearts." Sora and friends are joined by a vibrant new cast of characters, including the king himself. Together, they will face countless dangers in worlds both familiar and brand-new. It seems the Heartless still exist. A new villain also awaits - but is it an old foe behind the mask, or a new menace? This mystery and others will be solved as the story unfolds in a grand adventure.