The story of Rurouni Kenshin takes place during the first stage of the Meiji period in Japan. It tells the story of a peaceful homeless man named Kenshin Himura, who was previously known as the murderer Hitokiri Battousai.
After participating in the Bakumatsu war, Kenshin goes on a journey to the interior of Japan and offers his protection and helps those in need, while trying to alleviate the bad times for which he had to go through and the lives it took during the war. Once in Tokyo, Kenshin meets a woman named Kaoru Kamiya, who is chasing a criminal who claims to be the legendary Hitokiri Battousai.
Kenshin decides to help her defeat the fake Battousai. In the process, Kaoru will realize that Kenshin is actually the real murderer, after considering it, she offers her dojo and allows Kenshin to establish himself and at the same time help her with its obligations.
Kaoru discovers in Kenshin a very considerate and kind young man, but who struggles with his past and the personality that earned him the title of Hitokiri Battousai. As time passes, Kenshin will discover that it is impossible to flee from the past, so he must face old enemies and even must fight against Shishio Makoto, his successor as an assassin.