Oyura, concubine of Shimazu Narioki, the clan head, plots to make her son Tadayuki an heir to the Satsuma clan which provokes a serious confrontation within a group of samurai who stand by Nariakira, Narioki's legal wife's son. Shosuke is punished for his involvement in the family quarrel. Wishing to help Shosuke's family make ends meet, Okatsu offers food and money, however, Shosuke's mother, Fuku, refuses.