In Hokkaido, the far northern lands of Japan, Sugimoto survived the Russo-Japanese war of the Meiji era. Nicknamed "Invincible Sugimoto" during the war, he now seeks the riches promised by the gold rush in hopes of saving the widowed wife of his now deceased comrade from the war. During his hunt for gold, he finds hints of a hidden stash of gold by corrupt criminals. Partnering with an Ainu girl that saves his life from the harsh climates of the north, they venture into a survival adventure in a race against the criminals that seek the hidden stash.