As a child, Monkey D. Luffy dreamed of becoming King of the Pirates. But his life changed when he accidentally ate the Gum-Gum Fruit, an enchanted Devil Fruit that gave him the ability to stretch like rubber. Its only drawback? He'll never be able to swim again--a serious handicap for an aspiring sea dog! Years later, Luffy sets off on his quest to find the "One Piece," said to be the greatest treasure in the world...

As the clash with evil warlord Doflamingo intensifies and the fate of the island people of Dressrosa hangs in the balance, Luffy decides it's time to switch gears! Then, when a beastly new enemy enters the scene, Luffy's faithful compadres Sanji and Nami are separated from the gang. The Straw Hat crew must seek out their missing members in a bizarre animal kingdom!