Ringu

Reiko Asakawa is researching into a 'Cursed Video' interviewing kids about it. When her niece Tomoko dies of 'sudden heart failure' with a face of terror on her, Reiko investigates. Shes finds out that some of Tomoko's friends who had been on a holiday with Tomoko the week before had died on exactly the same night at the exact same time in the exact same way. Reiko goes to the cabin where the teens had stayed and finds an 'unlabled' video tape. Reiko watched the tape to discover its the 'cursed videotape'. Ex Husband Ryuji helps Reiko solve the mystery, Reiko makes a copy for him. Things become more tense when her son Yoichi watches the tape saying Tomoko had told him too. They discovery takes them to a volcanic island where they discover that the video has a connection to a Pyscic who died 30 years ago, and her child Sadako