Shinza discreetly meets with an unknown engineer at a temple, showing him a newly invented umbrella. When they part ways, one of them was attacked and declared dead. After the residents realize that Shinza was still alive, Ginjiro goes out on a hunch. A panicked Shinza activates his giant robot machine, mistakenly terrorizing the row house. Sora climbs onto the machine and dismantles it, rescuing Shinza in the process. Seikichi later finds Sora in the forest, hearing that she believes to be thought of as a monster. He brings her back to the row house to prove that the residents admire her presence. The old man, who restores the damaged row house, refers to the firework cannon now as the rocket.
近頃、江戸の町では殺人事件が相次ぎ、人々の噂になっていた。発見される遺体には、必ず人の生き血がすすられていたことから“血抜き殺し”と町で呼ばれていた。そんな物騒な事件で緊張が高まる町で、今度は清吉たちの住む長屋の住人・新佐の作った傘を手にした男が新たな犠牲者になってしまう。それを知った新佐は…。
