Sarutobi Sasuke’s army is attacked by the enemy and after returning to the hideout with a broken duplicate and a false sword, the real Muramasa can only be the stolen one. Now, after so many casualties, fighting the declining morale, and with only three days left until the final battle, the invasion of Osaka castle, the need to recover it grows, and they will do it by any means possible. Final movie in the Sarutobi Sasuke Series.