Okatsu is deeply shocked by Kikumoto's suicide and outraged at Tadatake's insulting attitude towards her death. Meanwhile in Edo, the Tokugawa shogunate learns that an American fleet is approaching Japan, aiming to establish a trade relationship. Nariakira realizes that he needs to adopt Okatsu soon to carry out his plan. As the day of Okatsu's departure approaches, Tadatake suddenly acts cool towards Okatsu.