Mitsunari [Koji Yamamoto] is forced into confinement after a failed assassination plot against Ieyasu [Seiyo Uchino]. However, Kiyomasa [Hirofumi Arai] isn't satisfied with the punishment and plans an assault on Mitsunari. Nobushige [Masato Sakai] fears a breakout of violence in the Fushimi Castle town and he tells Kiri [Masami Nagasawa] to return home to Ueda. Instead, Kiri goes to stay with Tama [Manami Hashimoto]. Nobushige and Nobuyuki [Yo Oizumi] rise up to protect Mitsunari. Ieyasu decides to attack Kagekatsu [Kenichi Endo] in Aizu. The Battle of Sekigahara is drawing near!
家康暗殺に失敗し謹慎することになった三成(山本耕史)。それでも収まらない清正(新井浩文)らは三成襲撃を計画する。信繁(堺雅人)は伏見城下での武力衝突を恐れ、きり(長澤まさみ)に上田へ帰るよう指示するが、きりは玉(橋本マナミ)のもとに身を寄せる。信繁は、信幸(大泉洋)と協力して三成を守ろうと立ち向かう。そして、家康(内野聖陽)は会津の景勝(遠藤憲一)を攻めることを決意。いよいよ、関ヶ原の戦いが迫る!