This episode airs immediately following the intense Sabaody Archipelago events (episodes 382-405) to provide a lighthearted breather before the storyline shifts to Amazon Lily. Themes: Action-comedy, feudal drama, mystery.
"Boss" Luffy (a local boss) works with his crew (Usopp, Sanji, Onami) to protect the town. The episode revolves around a mystery involving a floating treasure (the Rolling Express Mikoshi) and the interference of Thriller Company zombies and Absalom, who are creating trouble using invisibility powers. Key Moments: One Piece (Dub) Episode 406
This special is entirely filler and does not advance the main plot, though it is highly regarded for its creative setting and character reimaginings. This episode airs immediately following the intense Sabaody