Rikitaro and Osayo are popular entertainers who throw knives. They are sweethearts. At one day They help Ocho, who is a beautiful pickpocket when she is attacked by Ronin. in Asakusa, However, they come to be surrounded by doubtful Ronin after that. Moreover, Rikitaro is called to stop by Kajima of Edo-Karo of Nihonmatsu-Han. He calls him a young lord and treats Rikitaro as one, because his young lord, Tetsunojo is missing. Kuni-Garo makes a plan to carry out. Kikumaru, the younger brother of the mother difference in him instead of Tetsunojo, Since Rikitaro is just like Tetsunojo, then, they are convinced that it is Tetsunojo of Rikitaro. Rikitaro and Osayo decide to help Kajima and Tetsunojo. Finally they success to crush Kikumarsu's group.
