Tetsunosuke has completely changed as he sincerely tries to perform his new job.  Isaburo despises Tetsunosuke and tells Hijikata that he should dispose of him, but Hijikata, who came from a similar background, sympathizes with Tetsunosuke and looks after him.  Meanwhile, Gintoki, who was arrested by the Mimawarigumi, has been assigned a mission by Isaburo...
but I can't let you pass either.
si quieres pasar por aquí, de ahora 
en adelante no te lo permitiré.
mas também não posso 
deixar esta passar.