Silent phone calls every night.Kyoko felt indescribable anxiety when she received a call she didn't remember.Her husband is optimistic, but her situation doesn't stop there.In addition, a strange man follows him around persistently, and he continues to be frightened of stalking day and night.One day when many such acts have been hidden, Kyoko who visits the internet line company and raises her to the house.However, it signals the beginning of her tragedy that attacks her...