明治时代后期。别名“不死身的杉元”的日俄战争英雄·杉元佐一,为了某个目的而前往能够发大财的北海道。在那里,有着从阿伊努人手中夺走的莫大藏金这一能够一攫千金的机会。藏金被收监于网走监狱的男人所隐匿,而24名越狱犯身上所刻的刺青则是指示其所在地的线索。此时,遭到棕熊袭击的杉元,被一位阿伊努少女所救。名叫阿席莉帕的这位少女,她的父亲被夺走藏金的男人杀害。不止如此,仿佛与杉元的行动相呼应一般,早就对藏金虎视眈眈的北方最强部队·第七师团以及背负着刺青的越狱犯们的行动也开始浮出水面。以壮阔的北方大地为舞台,这场一攫千金求生行动究竟会如何发展……!?In the early twentieth century, Russo-Japanese War veteran Sugimoto "Immortal" Saichi scratches out a meager existence during the postwar gold rush in the wilderness of Hokkaido. When he stumbles across a map to a fortune in hidden Ainu gold, he sets off on a treacherous quest to find it. But Sugimoto is not the only interested party, and everyone who knows about the gold will kill to possess it. Faced with the harsh conditions of the northern wilderness, ruthless criminals and rogue Japanese soldiers, Sugimoto will need all his skills and luck - and the help of an Ainu girl named Asirpa - to survive.