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.
as Major Tadashi Kai
as Second Lt. Shojiro Tanaka
as Kyoko Ozaki
as Kiyoshi Osato
as Mineo Osumi
as Sekizo Uno
as Osami Nagano
as Shigetaro Shizuma
as Tadamichi Hirayama
as Isoroku Yamamoto
as Young officer