A group of paranormal researchers investigate the scene of a murder, when a picture is found of the ghost of a young boy in an empty room. Will they be able to capture the ghost, or will they unleash an even more powerful force?

A high school student, Min-ah, finds a diary that can cause hallucinations. It belongs to two of her fellow students. After one of them commits suicide, Min-ah feels as if she is possessed by the dead girl.