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...

The Straw Hats are just starting to get their bearings in the mysterious samurai kingdom of Wano when Kaido makes his grand appearance as a flying dragon! Kaido is known as the strongest creature alive, so the smart move would be not to antagonize him. But since when does Luffy do the smart thing?!