During a battle with several Marine warships, the Straw Hat Pirates are forced to make an emergency Coup de Burst in order to escape a sudden attack from above, in the form of an immensely large cannonball. Crash landing on a nearby island, they decide to explore while Franky repairs and moves the ship. Finding a town, they learn of its past and people while Luffy befriends a nearby wax sculptor.

After being told that his apprentice had joined the Marines and subsequently been imprisoned due to knowing how to create incredibly solid wax, Luffy meets with the others and go out to find the apprentice. Leaving Sanji and Usopp to deal with the Marine troops, he eventually finds Regis trapped in a cage. Accidentally activating a complicated water trap, they are only saved by the timely intervention of Sanji. Escaping to a nearby reef, they decide to destroy Bilić's weapons once and for all.