Nobunaga survives Honnōji and resumes his conquests abroad. Hideyoshi completes his mission to pacify the Chugoku region and returns to Azuchi Castle for a break. The story continues one month after the first game. The protagonist serves as Nobunaga's kunoichi and continues to protect Azuchi Castle from enemy spies as the "Shield of Azuchi".

[from Koei Wikia]