Conspiracy of the Beniaoi
Itsuko was kidnapped and Katsu had received a letter about it, Kenshin paid a visit to him and found out that Katsu was hiding someone's money and the Beni Aoi wanted it. Katsu was suppose to arrive at 2:00am at a temple, and if he cooperates his daughter would not be harmed. Kenshin was told not to come but he still went as well as everyone else including Daigoro. They arrived at the temple first and Daigoro say Itsuko, she tried to run for it but tripped, Daigoro charged forward and was stabbed.
Aired 10/03/1998EP 81 - Conspiracy of the Beniaoi
Rurouni Kenshin
Himura Kenshin is a vagabond with a dark past and sunny disposition. Not a ronin but a rurouni, he was never a samurai, but an assassin of utmost skill in the Meiji restoration, who in the turning point of the war simply walked away. His travels lead him to Tokyo in the 11th year of the Meiji era, where he befriends a female Kendo master, a former thief, a brawler and a doctor all with their own secrets. Together they fight off the enemies surfacing from the dark past that Kenshin cannot escape.
(Source: Anime News Network)