The Great Swordsman Appears! Roronoa Zoro, Pirate Hunter!

Luffy arrives in Shells Town, a Marine base, in search of a pirate crew. He meets Roronoa Zoro, a fierce pirate hunter who has been captured and tied to a post for over a week. Luffy is determined to recruit Zoro, but first he must deal with the corrupt Marine captain and his spoiled daughter.