Sora who saw Pluto with a letter from King mickey found a black coated man and he also found a castle it was a special castle because as the man said - To find is to lose and to lose is to find. And beyond that door you will lose your memories but awaken you're lost ones. Sora decided to look after Riku and the King in the castle. Will Sora,Donald and Goffy's sleeping memories awaken and their awakened memories sleep? What is beyond that door?