A mysterious assassin cloaked in a haunting, seductive fragrance sets his sights on Heizo Hasegawa. Hanjiro Kaneko, a master swordsman, attacks with deadly precision, leaving Heizo to uncover the truth behind the strange scent of "White Plum Allure." As Heizo digs deeper, he discovers a tangled web of deception involving Hiko-no-Ichi, a blind decoy working for the notorious bandit leader Heijuro the Snake.