Newlywed Kyoko had asked a real estate agency to show her some properties. She quickly signed a contract on a house she liked, planning to move in once her husband returned from his business trip. One month later, while her husband was still away, her older sister was supposed to stay over—but vanished without a trace that very night. The next day, while Kyoko was doing the dishes, she was suddenly attacked, and a chain of terror began. The real estate listing, her husband's business trip, her sister's suspicious disappearance... The mystery deepens with each passing moment.