Sora Donald an Goofy travel down a long road that meanders through endless fields, and come to crossroads. As Sora stands in the crossroads, he gazes up at the night sky and thinks of his lost friends.

Just then, a mysterious man approaches from down one of the branching paths. "Ahead lies somthing you need," he says, "but to claim it yoou must lose something dear." When the man vanishes, only a single path remains. The path leads to a mysterious fortress called "Castle Oblivion."

In the Comming journey, what will Sora and his companions gain, and what will they lose?