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...

With Ivankov's help, Luffy now struggles to make his way back out of Impel Down in order to prevent the execution of his brother Ace. All the prisoners will have to work together if they ever hope to get past the dangerous Warden Magellan. But will an earth-shattering proclamation by the World Government turn everything upside down?