Kingdom Hearts begins on Destiny Islands, where Sora, Riku and Kairi live. The three friends want to leave the islands to explore new worlds and have prepared a raft for this purpose.One night, the islands are attacked by darkness and shadow creatures.Sora seeks out his friends, finding Riku, who disappears into darkness. At the same time, Sora obtains the Keyblade. The islands are destroyed, and Sora is left adrift. Meanwhile, King Mickey Mouse has left his world to deal with the increasing darkness and left instructions for mage Donald Duck and knight Goofy to find the "key"