"As Tycho and his siblings continue to compete for the captain's chair of the Shadow Comet, they must work together to hunt for an old pirate treasure--a treasure that is tied to some long-buried family secrets"--Provided by publisher.
As Usopp's village comes under attack by the Black Cat Pirates, Usopp and his would-be pirate friends--Nami, Zolo, and Luffy--prepare to defend the village, and they're all about to find out what it means to be a real pirate.
In order to avoid doing kitchen duty for a year aboard the Baratie, Luffy attempts to rid the seas of Don Krieg, but this proves difficult as Kreig is heavily armed and aided by his "Demon Man" Commander Gin.
Luffy gets distraced by Crocodile while leaving Rainbase to intercept rebels in Alubarna, and takes on the sand pirate in the desert while the rest of the crew helps Vivi try to stop the rebels.
Monkey D. Luffy travels with his friends to Rainbase, the town of dreams, where they have a run-in with Captain Smoker and fall into the trap set by Ms. All Sunday, but when Vivi gets separated from the group she must find a way to rescue her friends while escaping the pursuit of the Baroque Works security officers.
The Baroque Works will stop at nothing to promote their rebellion, even killing the princess, and it is up to the Straw Hats to stop their evildoing before it is too late.
