Women enter and exit a science fiction author's life over the course of a few years after the author loses the woman he considers his one true love.
- Genre: Drama, Science Fiction, Romance
- Studio: Paradis Films, Orly Films, Jet Tone Films, Shanghai Film Group, ARTE France Cinéma, Classic, Precious Yield, France 3 Cinéma, Block 2 Pictures, ZDF/Arte, Fortissimo Films, Sony Pictures Classics, Fox Searchlight Pictures
- Keyword: android, regret, lovesickness, jealousy, soulmates, based on novel or book, love of one's life, sexuality, symbolism, melancholy, nostalgia, womanizer, murder, author, hong kong, train, break-up, illegal prostitution, extramarital affair, sensuality, 2040s, christmas eve
- Cast: Tony Leung Chiu-wai, Gong Li, Faye Wong, Takuya Kimura, Zhang Ziyi, Carina Lau