The Uesugi army, led by Naoe Kanetsugu and Uesugi Kagekatsu arrive to Sado island, despite being aware that . They meet with the head of one of Honma clans, Honma Takatsuna of the Kawarada-Honma clan that rules over northern Sado. He seems to cooperate with the Uesugi army, but once they try to commence a battle with the other Honma clan, the Uesugi army realizes just how dangerous the two feuding families might be... especially together. However, Kanetsugu has something up his sleeve as well...