As a child, Monkey D. Luffy dreamed of becoming King of the Pirates. But his life changed when he accidentally gained the power to stretch like rubber.at the cost of never being able to swim again! Years, later, Luffy sets off in search of the "One Piece," said to be the greatest treasure in the world...

After their plan to take down Big Mom ends in failure, the Straw Hats find themselves on the run. With an angry Big Mom nipping at their heels, things are not looking good. And Luffy's stuck in a one-on-one fight against one of Big Mom's strongest sons!