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...

It's a family brawl as Kaido faces off against Yamato! But Kaido and his powerful pirates aren't going to go down easily, even against the Straw Hats' best fighters. The key to victory may be the peculiar ability of a young girl!