No, it's only a movie. It's a fictional story. However, the premise of the movie is based on a real Japanese myth, that a curse can form in places where people have been killed while in a state of intense rage or despair.
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What tape? I think you are confusing The Ring movies with The Grudge movies. Unless you're talking about the surveillance camera footage that the ghost appears on in the first Grudge movie. If that's...
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