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...
This would never have 
happened if you had disposed
Si lo hubieran eliminado tal y 
como les dije en aquel momento
Isso não teria acontecido 
se vocês tivessem eliminado