Join Monkey D. Luffy and his swashbuckling crew in their search for the ultimate treasure, One Piece! 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... Sanji, Usopp and Franky are on their own against the Navy as the rest of the Straw Hats hurry to catch up to the speeding Sea Train. But freeing Robin from the clutches of CP9 won't be an easy task with a train full of enemies. And even if they do reach her, does she even want to be rescued?!