A Japanese restaurant cook/owner dies after answering his daughter's cellphone. Other people are getting strange, same ringtone calls as well and dying painfully. It happened in Taiwan as well. Can the police stop it if it's a ghost?
The timid, young Asuka is bullied by her classmates. When they embark on a class field trip to Korea, Asuka plans revenge by sending them a cursed phone message they can either pass on or die.
People mysteriously start receiving voicemail messages from their future selves, in the form of the sound of them reacting to their own violent deaths, along with the exact date and time of their future death, listed on the message log. The plot thickens as the surviving characters pursue the answers to this mystery which could save their lives.
Yumi, a 23-year-old office worker, is fired from her job out of the blue. A few days later, coming from a friend's wedding and having no time to change out of her kimono, she is rushing to an interview for a job at a publishing company. Yumi stumbles into the room, looking for somewhere to change out of her kimono, and finds popular comic book writer Reijiro Sakurai is having an editorial meeting with some staff. He is planning to lock himself away at a hot spring for the next three months to concentrate on his next project. Sakurai comments that if Yumi were to join him he wouldn't mind being away for so long..., and so their adventure begins.
