Sanosuke throws a party at the Kamiya Dojo for everyone. Little does everyone except Kenshin know, Sanosuke is really planning to leave the Kenshin group for good to revive the long lost Sekihoutai with his friend Katsuhiro. Kenshin goes to stop Sanosuke and Katsu from destroying the Internal Affairs Department with bombs. Kenshin stops Sano, and Sano rejoins Kenshin's group, and Katsu stops making bombs. (thetvdb.com)