The year is 1702, and young samurai Sozaemon Aoki has arrived in Edo to seek revenge against Jubei Kanazawa. Kanazawa is the man responsible for the death of Aoki's father, and now it's up to the grieving swordsman to settle the score. When Aoki begins teaching the children of Edo to read and write, however, his bloodlust slowly begins to subside as he cones to realize the true value of his useful