On the trail of a hoard of hidden gold, Saichi “Immortal” Sugimoto and the Ainu girl Asirpa have already tracked down some of the escaped prisoners whose tattoos form a map to the lost treasure. But their search has caught the attention of a group of rogue Japanese soldiers from the legendary 7th Division. Their leader, the utterly cold-blooded and driven Lieutenant Tsurumi, will stop at nothing to find the gold. And Tsurumi is not the only formidable opponent Saichi and Asirpa must deal with - a former samurai who escaped with the prisoners is carving his own path to the loot. These enemies will put Saichi’s “Immortal” nickname to the test…