When the Pirate Council tells Backbeard that he must stop wearing colorful clothing and look more fearsome, he decides to quit being a pirate and get a job on shore, if only he can find work that matches his particular skills.

Reduced to begging and thievery in the streets of London, a thirteen-year-old orphan disguises herself as a boy and connives her way onto a British warship set for high sea adventure in search of pirates.

If he's going to escape doing kitchen duty for a year aboard the Baratie, Luffy will have to get rid of Don Krieg. Unfortunately, Kreig's heavily armed and aided by his Demon Man commander Gin. As the battle commences, Nami has sailed off with the treasure in tow.