Yumi (Rei Kikukawa), a writer of a science magazine witnesses a mysterious death of a high school girl who received a “one missed call” from her own cell phone, two weeks in the future. More disturbing is the message: the sound of her own screams! Yumi summons up the courage to delve into the terrifying mystery and find summons up the courage to delve into the terrifying mystery and find out who or what is killing the victims.