On her way to school, high school girl Nana sees a train accident. But this is just the beginning of the nightmare that awaits her. Nana and her friend Kanae come across various bizarre phenomena, including red fingerprints and a female spirit who "lives" on the station platform. One day, Nana's younger sister is lost, and the only possibility seems to be that she had been taken by these spirits. The missing tracks. The predictions that a mysterious woman makes. Weird incidents which happen one after another. Entangled series of frights and mysteries lead to a shocking climax.