After a civilian factory manager of a fishery is gunned down, Himuro (Motomiya Yasukaze) and Tamura (Yamaguchi Yoshiyuki) are tasked to investigate the strange circumstances by the Kyowa Clan Chairman (Ozawa Hitoshi) and are sent to Hokkaido. The pair and their Yamazaki Ichimon men travel around the Hokkaido with the help of the factory manager's estranged son, Hiroshi (Kuriyama Wataru), unearthing a series of leads involving old Cold War regrets and international crime, all while repairing broken families ...