A sudden encounter between a gracefully attractive but mysterious woman, Saki, and an ordinary housewife, Eriko, who has a happy family, causes Eriko's serene daily life to fall apart. Eriko's husband, Shinji becomes the target of Saki's advances and finds himself caught between her and his wife.

The Beautiful Neighbor тривав 1 сезон. Нових епізодів не заплановано.