Nana is a servant of the Kazahaya family, She is from a samurai family. Her father was about to reveal wrongdoings within the domain but had to commit ritual suicide for a crime he hadn't done. Ichinoshin tries to correct the wrongdoings, but end up being a target himself. After finding out her father's enemy is the man behind it all, Nana decides to protect Ichinoshin and his children, as she had promised Sachi, Ichinoshin's late wife.

A documentary which follows director Wim Wenders and Sean Naughton, the high-definition-video designer on UNTIL THE END OF THE WORLD, in Tokyo, and details the creation of the film’s groundbreaking high-definition sequences.

Adapted from the novel "Yu-san no Nyobo ~ Mou Hitori no Ishihara Yujiro" by Muramatsu Tomomi, this NHK / BS4K one -shot drama tells a love story of a woman who continues to be the "wife" of superstar Ishihara Yujiro.