In a seafaring world, a young pirate captain sets out with his crew to attain the title of Pirate King, and to discover the mythical treasure known as 'One Piece.'In a seafaring world, a young pirate captain sets out with his crew to attain the title of Pirate King, and to discover the mythical treasure known as 'One Piece.'In a seafaring world, a young pirate captain sets out with his crew to attain the title of Pirate King, and to discover the mythical treasure known as 'One Piece.'