Ji-Won, a magazine reporter, decides
to change her cell phone number after her controversial
article is published resulting in a string of menacing
phone calls. After changing her number, Ji-Won’s
friend’s daughter, Young-Ju, innocently answers
her phone.
Joung-Ju starts to act strangely after being obviously
frightened by the call. When Ji-Won investigates
the past owners of her new cell phone number an
astonishing secret is unraveled.
