This is the last part of Rurouni Kenshin series, which is about Himura Kenshin, a legendary assassin under Meiji period in Japan. Since Shishio has sailed his ironclad ship toward Tokyo to overthrow Meiji government, the Home Ministry Head comes to Kenshin and asks him for help. To beat Shishio and prevent his plot, Kenshin has to come to his old Master and asks to learn the final Hiten Mitsurugi technique.