There are six games so there are six plots. One is where you race King Dedede, one is where you fight a giant bird named Dyna Blade, another is where you fight King Dedede (note how one is racing, and another is fighting). One is where you hunt and try to destroy Meta Knight and his airship, Halberd. One is where you fight Marx and another is when Kirby is in a giant cavern and you obtain treasures.