Nobunaga learns that Imagawa Yoshimoto has the left leg of the Crimson Armor.  But Yoshimoto, while uninterested in the armor, has no intention of just giving it over.  She brings a large army and attacks Nobunaga!  Nobunaga returns to her castle, where Hideyoshi gives her a plan.  And Nobunaga sends a challenging letter to Yoshimoto...
When Nobunaga-san gathers it all...