Ikushima is finding it difficult to train Atsu-hime who shows no interest in the training. Nariakira finally tells Atsu-hime that she is a candidate to become the wife of Iesachi, the next shogun. On that night, Atsu-hime, who attempts to escape from the castle but is easily caught, asks Nariakira his real objective. Moved by Nariakira's ambition to rebuild the unstable shogunate through Atsu-hime's marriage, she too desires to marry Iesachi.