Takeshi, a boy taking a train, finds a ticket covered in a red bag. He picks it up woman tells him he's going to die. The next day, he disappeared after getting on the train again. His classmate Noriko and her sister, Nana, had bumped into him the day he was told he was going to die. Not only finding out that he went missing the day after they met him but Noriko had also ended picking up the same red bag ticket. The following day, on Noriko's day back from school she too was never seen again. A conductor is demoted to lost and found organizer because of him stopping the train. The police mention there were 4 reports this month about a body on the railway. His friend asked him if he saw "The ghost" but because of the line of his work he was still in denial. Soon the conductor had caught a little girl on their surveillance camera and had called Nana to confirm if that was her sister or not. When she came to confirm the identity of the camera, it was Noriko. She then tells them that it seems like there was something that was following her. When she metioned about that, she grew suspicious due to the conductor's reaction. Soon after, wierd phenomenal started to happened that ended up with Nana and the Conductor forming a team and entering the train tunnel to search for the truth and her sister.