Guardian Dog Arc is the 19th arc in Gintama.
A yakuza group asks the Yorozuya to get the boss' son out of the warehouse where he has been hiding for years. Yet there is more going on than meets the eye which involves the boss' right hand man.
Characters in order of appearance
- Sakata Gintoki
- Shimura Shinpachi
- Mashiroi Kaguzou
- Nakamura Kyoujirou
- Mashiroi Utsuzou (flashback)