In Hokkaido, the far northern lands of Japan, Sugimoto survived the Russo-Japanese war of the Meiji era. Nicknamed "Sugimoto the Immortal" 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 out about a massive stash of gold hidden by a criminal. Partnering with an Ainu girl that saves his life from the harsh climates of the north, he battles against the criminals, the military, and nature itself to find the treasure!