In the wake of his mother's death and his father's remarriage, a headstrong boy named Mahito ventures into a dreamlike world shared by both the living and the dead.
Yumi tries to assuage the fears of a friend, Yoko, who has received a disturbing voice mail from herself. In the message, Yoko screams while chatting with Yumi. Three days later, the exact call plays out, and Yoko dies.