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 the final showdown with the metallic King Wapol! He wants his castle back and he's not taking "no" for an answer. Well, Luffy, Sanji and their newfound friend Tony Tony Chopper aren't giving up so easily! But our heroes have their hands full--especially with Wapol's ability to modify his body depending on what he eats! Meanwhile, down the mountain in Big Horn village the people are devastated as their beloved leader lies in the snow, badly injured. But all is not lost when Wapol's deadly 20 Doctors make an unbelievable announcement!