Wealth, power, Gol D Roger, the Pirate King who once had it all, left a message before his death: "Do you want my wealth? Then go find it! Everything I have is there, on the Grand Line!" Thus, more and more people rushed to the sea, sailed into the Grand Line, and the world ushered in the Great Pirate Era! Many years later, a child swore to a pirate who lost an arm: "I will definitely become the Pirate King!" Thus, 10 years later, a great legend began. This is a story about a group of dreamy kids, they have passion, they have perseverance, they have partners......