Aki Takano (Miho Kanno) is an ordinary and happy housewife with a sweet husband and two sons. They move into a high-rise apartment building which they have always wanted to do. There, Aki Takano meets a frightening neighbor. The neighbor tries to isolate Aki from the other residents and break down Aki's family. Meanwhile, a series of abduction cases take place. There seems to be a connection to the kidnapper and the frightening neighbor.