The film tells the story of an ordinary housewife who receives an email from a beautician, which triggers a series of stories for the housewife to become a stalker. The housewife Sayako is played by Keiko Chang Pan, while the hairdresser Hai Dou is played by Chi Song Zhuangliang. In addition, Koyoko's husband, Kwang Taro, is starred by Shinomura, while the only lover of Haidou is Aimei Sazukawa. The theme of "whose xylophone" is the resonance between women's spiritual hunger, alienation and men who have to confront them in the modern era when the connection between human beings is gradually fading.