Haruka Yamano returns from America to Tokyo in a wheelchair, both legs having multiple fractures from a car accident. She is helped by her brother Koichi and their father. Their father travels to Singapore for business meetings and Koichi takes care of his sister and films her most of the time with his camera. The next morning, Haruka tells that her wheelchair has moved during the night and Koichi check the windows of her room to see if a stranger has broken in their house. He tells that probably a spirit had moved the wheelchair and he uses salt near the door of Haruka's bedroom to protect her against evil spirits. However, the next morning they find that the salt is spread near the door. He checks the tape and believes that the house is haunted by a ghost. He decides to tape his room too and during the days, weird noises and events happen in the house. They invite priest Saionji to purify the house against ghosts and over four days nothing unusual happens...