Kikyou and Kaede undergo rigorous training designed to strip away their emotions and transform them into heartless tools of assassination. When Kikyou is ordered to kill the revolutionary Sakamoto Ryouma, his vision of a world where people can live freely conflicts with her duty as a kunoichi. As the Shinsengumi track her movements to prevent a political frame-up, Kikyou's struggle between her training and her heart leads to a tragic confrontation.