After Asami's boyfriend lost his cellphone, she begins to receive unknown credit card payment notification, her social media information is leaked, and she is drawn into an unexpected turmoil. At the same time young women bodies appear in remote mountains and the investigation of serial murder case is about to start.

Surreal terror of the heroine is depicted throughout the film after personal information from a smartphone is stolen, which later leads to a murder case. One day, Asami calls her boyfriend, but a stranger answers the phone. He explains he found her boyfriend's phone and returns it a few days later. Since then, strange things keep happening to Asami. She is now a target of a serial killer who gradually exposes her secret.—JFF