In February 1584, soon after the wedding ceremony between Gou and Kazunari, Gou finds out that Kazunari is secretly preparing for war against Hideyoshi with Nobukatsu and Ieyasu. The war finally breaks out and Hideyoshi, who is struggling with the fierce battle against Ieyasu, maneuvers to cajole Nobukatsu into making peace with Hideyoshi. Although the war ends, Gou learns that Chacha is sick and leaves for Osaka Castle where she finds that Hideyoshi has broken up Gou's marriage.
天正１２年２月。江（上野樹里）は佐治一成（平岳大）との婚礼の日を迎えるが、一成は織田信雄（山崎裕太）や家康（北大路欣也）と共に秀吉（岸谷五朗）との戦に備えていた。何も知らないのは江だけ。やがて戦が始まり、家康相手に苦戦を強いられた秀吉は、ついに信雄の懐柔策に出て和睦に持ち込む。戦は終えんするが、江のもとに茶々が病に伏したと文が届き、江は大坂城へと出向くが、突如、一成と離縁される。
