After their quarrel with the Kraken, the Straw Hats find themselves in hot water as Luffy, Zoro, and Sanji turn up missing, and the rest of the crew runs short on air!

Luffy, Chopper, and Sanji are taken prisoner by a fish mob just as Vander Decken launches an attack the princess! Elsewhere, Zoro continues his battle with Hordy, and Nami hitches a ride on a mermaid to escape the crumbling palace!

Hordy’s men keep attacking, but the Straw Hats have new weapons at their disposal! Franky unleashes the fury of the Black Rhino, and Luffy turns the tables on Hordy with a little help from his Kraken!