Phone (2002) on Netflix

Investigative reporter Ji-won begins to receive a series of menacing calls. To escape the terrifying and relentless clanging of the telephone, she changes her number and moves out. But the threatening campaign of terror continues unabated.

After writing a series of articles about pedophilia, the journalist Ji-won receives threatening calls on her cellular and she changes her number. Her close friend Ho-jung and her husband Chang-hoon invite Ji-won to move to their house in Bang Bae that is empty and closed. When the young daughter of her friends Young-Su answers a phone call in her mobile phone, the girl screams and changes her behavior, feeling a great attraction for her father and rejecting her mother. Meanwhile Ji-won receives weird phone calls and sees and listens to a teenager playing Beethoven's "Moonlight Sonata" on the piano. After investigating her phone number, Ji-won discovers that the original owner of the number, Jin-hee, had vanished and the two next owners of the number have mysteriously died in unusual circumstances. Her further investigation about Jin-hee discloses that the teenager was absolutely disturbed with her obsessive love for a man that had broken the relationship with her, and later she unravels dark and tragic secrets about the fate of Jin-hee.

—Claudio Carvalho, Rio de Janeiro, Brazil

Soon after Ji-won gets a new cell phone, her friend's young daughter, Yeong-ju, puts it to her ear and immediately begins screaming in terror. When other strange things start happening in connection with the phone, Ji-Won does some investigating and discovers that of the people before her who had the same number, almost all of them died suddenly under unusual circumstances. As Yeong-ju's behavior becomes increasingly alarming, Ji-won digs deeper into the circumstances surrounding the disappearance of the number's first owner, a high school girl named Jin-hie.

—Jean-Marc Rocher <rocher@fiberbit.net>