Paranormal Ring (2004)

AKA: パラノーマル・リング | Directed by Yeo Jin | Country: South Korea | Language: Korean | 79 mins
Cast: : Shin ,Young Eun Seo Won
Subtitles : Japanese

Synopsis (Google Translate)
Kim Hyun Jung is a talented female detective. One day, the phone rings. It was a mysterious incident in which two young people died from heart palsy at the same time. As she pursues the case, she comes across a person named Cho Se-rok, who has been hospitalized in a mental hospital for 20 years. What is the truth behind the incident 20 years ago that is related to this incident?

[RG] Paranormal Ring (2004)