Finally, Eiichi speaks his mind and asks Chiyo to marry him. However, Kisaku intervenes. Eiichi and Kisaku decide to compete in a kendo match. On the other hand, in the shogunate, Ii Naosuke, who became the Great Elder, signed the "Treaty of Amity and Commerce between Japan and the United States," but the signing of the treaty was considered to be against the Emperor's orders, which led to a big problem. Yoshinobu and Nariaki, who had voiced their opinions to Ii, were punished, and the harsh oppression known as the Ansei Purge began.