An apparitions of a young schoolgirl in a yellow rain hat, a family massacre, and a law student's suicide after he fails his bar exam are linked by the ominous recordings discovered on an audio cassette.
A young, depressed man is trying to move on with his life after his girlfriend's bizarre death. One day, a mysterious woman notices him at work and convinces his coworkers to introduce him to her.
While combing through the belongings of his recently deceased aunt, Matsuko, nephew Sho pieces together the crucial events that sank Matsuko's life into a despairing tragedy.