The human-hating Hordy Jones and his army of 100,000 troops has Fish-man Island's royal family by the gills. Luckily, the Straw Hats make it in time to show off a boatload of powerful new moves! But just when Luffy kicks into gear, an ancient ship nearly half the size of the island heads straight for Shirahoshi. Only the cowardly mermaid can guide the vessel away before it crushes them all.