Seppuku, a.k.a. 'Harakiri' is considered as the most honorable death for Samurai. It was only allowed for the respected Samurai. Kaisyaku is the person who gives a clean death after Seppuku. He was chosen from the most Important person from the man of the honor. In Edo period, one young Samurai wants to revenge for his father which is against the law. However, if he succeeds, he must Seppuku.