Dokumentaristka Genya Tachibana vypátrala legendární herečku Chiyoko Fujiwara, která na vrcholu své kariéry záhadně zmizela. Když jí předloží klíč, který ztratila a o němž si myslela, že je navždy pryč, nemohl filmař tušit, že odemkne nejen dlouho skrývané tajemství Čijokoina života... ale i jeho vlastního.

It is the early 1930s and the command of the Japanese Imperial Navy determines to construct the world's biggest and most formidable battleship, Yamato. One of the admirals, Yamamoto Isoroku, disagrees. He recruits the upstart and mathematics' expert Tadashi Kai who discovers there are discrepancies between the official cost estimates and the actual figures. They soon find out that they have stumbled upon a conspiracy.

A Day in TOKYO in 1968, Nostalgic bygone era. Planned by Japan National Tourism Organization. Produced by Koga Production. This film was produced to explain Tokyo for foreign tourists.