When Shinsuke returns to Kyushu from the Russo-Japanese War he finds his Judo school hall neglected and in decay. His Judo teacher has died and his brother, Ryota, and the teacher's only daughter, Akiko, are greatly disturbed by Zanba, who intends to use the school for teaching the Ryukyu art of Karate.
In 1905, Japan was seriously threatened in the Russo-Japanese War. Japan determined a decisive attack on Russia to end the war. A reconnaissance troop was organized to penetrate into the supreme headquarter of Russia in Tieling Mountain of China to find out the enemy's situation...
Kinichi and Akiko meet when they visit their fathers in prison. After successfully gambling on a bicycle race, they spend an enjoyable day together at the beach.