Ogami Itto battles a group of female ninja in the employ of the Yagyu clan and must eliminate a traitor who plans to sell his clan's secrets to the Shogunate.
Official Shogunate executioner Ogami Itto has been framed for disloyalty to the Shogunate by the Yagyu clan, against whom he now is waging a one-man war, along with his infant son, Daigoro.