With confidential Nue files having been leaked to their enemies at Kuchinawa, a search is underway for the traitor who provided the information.

Sawa confronts Jin Kuzuhara about the truth behind what happened to her family and her village, but before she can get real answers a squadron of the shogun's troops arrives to try and capture her.

Asahi is alive, but Sawa has seen too much to ignore the crimes perpetrated by Jin Kuzuhara in the name of the Tokugawa regime. Hoping to secure a brighter future for the girl she has adopted as a sister, the assassin once known as Yukimura takes up her sword once again...