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.

The story of an aging movie actress' complicated personal saga unfolds in this sophisticated anime film that deftly blurs memory and make-believe into a meditation on the nature of cinema itself.