Kōmei devises a plan where Zoro and Sanji take part in an eating contest, and the two eat a strange "good-for-nothing-only" mushroom that turns them into good-for-nothing men. The two are then locked in a jail cell. When the rest of the Straw Hat Pirates chase after their imprisoned crew, they land on the island of Nebulandia, which features a mysterious fog made from sea water, and it has the same effects as seastone. The Straw Hat Pirates' arrival on Nebulandia is also a part of Kōmei's plan.

20 years after his escape from Impel Down, the legendary pirate Shiki, the Golden Lion, reappears causing massive upheaval to the Marines. During his long seclusion, he was able to come up with a scheme to bring the World Government to his knees. On his way to execute the plan, Shiki crosses paths with the Straw Hat Pirates and becomes so impressed with Nami's knowledge of meteorology that he abducts her to forcedly enlist her into his crew. Luffy and the gang end up on a strange land populated with monstrous beasts as they desperately search for Shiki and Nami.

Relaxing on a cozy beach, the Straw Hat Pirates are taking a rest from their quest. Right until Luffy noticed the Going Merry has been hijacked and sailed off from the beach. This leads them to search the ship and find the thief who took it from them. They ran into a duo named the Theif Brothers, who informed them that their ship was stolen by a group of pirates called the Trump Kyoudai. When they encountered the Trump Pirates, Nami ended up getting kidnapped as well as Luffy's hat. They tracked down the pirates to their base on Clockwork Island. Now Luffy, Zoro, Sanji, Usopp, and the Theif Brothers must reclaim the Going Merry, Save Nami, and get back Shank's straw hat.

The introductory chapter to the movie, Strong World, which depicts the events surrounding Gold Roger's execution.

As Luffy and the crew were attacked by several marine warship they were forced to use Coup de Burst to escape. Crash landing on an island the crew decided to explore while some repairment is made. Upon meeting an wax artisan and learning the truth behind the island Luffy offer his help.

The words that Gold Roger, the King of the Pirates, uttered just before his death excited the masses and the world has entered a Great Pirate Era! There is a group of young pirates who are about to set sail on the Grand Line. Monkey D. Luffy, a rubber man. Roronoa Zoro aka “Pirate Hunter.” Usopp, a sniper. Sanji, a seafaring cook. And “Cat Burglar” Nami. They, the Straw Hats, all place a foot upon a barrel and make their vows before their next journey across the great ocean.