Sora, Donald, and Goofy race to save Kairi and the princesses from Maleficent, who is trying to unlock the door to Kingdom Hearts, but Riku and Ansem stand in the trio's way.
When Sora, in search of his friends, and court wizard Donald and Captain Goofy in search of King Mickey, cross paths, their fateful encounter will change the destiny of the universe forever
Sora, Donald, and Goofy travel to different worlds in search of their friends and king, but they also have to find the keyhole to each planet's heart and lock it to keep the Heartless from consuming the world in darkness.
When Sora, in search of his friends Riku and Kairi, and Court Wizard Donald and Captain Goofy, in search of King Mickey, cross paths, their fateful encounter changes the destiny of the universe forever.