- Director Satoshi Kon
- Runtime 1 hour 27 minutes
- Genres Animation, Drama, Romance
- Language Japanese
Documentary filmmaker Genya Tachibana has tracked down the legendary actress Chiyoko Fujiwara, who mysteriously vanished at the height of her career. When he presents her with a key she had lost and thought was gone forever, the filmmaker could not have imagined that it would not only unlock the long-held secrets of Chiyoko’s life... but also his own.