In Japan to honor a dying wish, Logan—the immortal mutant known as Wolverine—is drawn into a web of ancient honor and modern treachery when he falls for Mariko, the noble granddaughter of the man who once spared his life. Forced to protect her from a Yakuza hitman, a corrupt minister, and her own power-hungry father, Logan becomes the reluctant champion of the legendary Black Clan. As he battles ruthless assassins and his own tormented past, he must decide whether to embrace his feral nature or finally forge a new destiny—before Japan's hidden masters claim his soul for their own.