Plot
One day, someone’s cell-phone receives a message, whose number cannot be traced. Those that receive the call all die of heart attack, in a state of panic. Ji-won, who is a reporter of a magazine, decides to change her number when Cha Jin-wu, who had been mentioned in her article about adults paying minors for sex, keeps threatening her. But when she goes to the cell-phone shop, she cannot get any number other than 011-9998-6644. Afterwards, her friend Ho-jeong’s daughter Yeong-ju happens to answer the ringing phone, and she hears a shrieking noise through the phone. Ever since that incident, Yeong-ju begins to act strangely. She would stare with blazing jealousy whenever her mother Ho-jeong and father Chang-hun are together, even vomit over the flowers Chang-hun sends to Ho-jeong. Chang-hun is a successful entrepreneur and Ho-jeong is a best-selling writer, but they argue over Yeong-ju who is going through odd changes. Meanwhile, Ji-won keeps getting phone calls from a girl. One day she comes in danger by Cha Jin-wu, who claims to have lost everything because of her article. At that moment, Ji-won’s phone rings, and Jin-wu, who had carelessly picked up the phone, sees hallucinations of a pale girl, and has a heart seizure. Ji-won senses that the deaths and the phone are somehow connected, and begins to trace former owners of her phone number. Three previous owners have already died, except one of them, a high school girl. Ji-won continues her investigation centering on the mi
