On a certain remote island, a group of concerned fishermen surround Chisato, a young woman trembling in fear. What could have happened to her? Eventually, she tells the terrifying story, which started when she drew a fortune from a certain shrine.

Twin boys, Takashi and Satoshi, are playing in a forest. The energetic Takashi talks the shy Satoshi into climbing a large tree, but as they do, Satoshi recalls something that had vanished from his memory.