Years ago, the fearsome Pirate King, Gol D. Roger was executed leaving a huge pile of treasure and the famous "One Piece" behind. Whoever claims the "One Piece" will be named the new King of the Pirates. Monkey D. Luffy, a boy who consumed a "Devil Fruit," decides to follow in the footsteps of his idol, the pirate Shanks, and find the One Piece. It helps, of course, that his body has the properties of rubber and that he's surrounded by a bevy of skilled fighters and thieves to help him along the way. Luffy will do anything to get the One Piece and become King of the Pirates!
Sabo, the Chief of Staff of the Revolutionary Army, contacts Koala and everyone in Kamabakka Queendom. He explains to them about the things that he is accused of, but someone who was eavesdropping on the call takes a stunning action.
Luffy and Chopper fall into the rough cold sea along with the mysterious girl. Jimbei tries to help them but another attack comes from the unknown creature. Meanwhile, the Sunny is hit by torpedoes and the rest of the Straw Hats are thrown into the sea, too.
A young girl who came out of the big robot names herself Dr. Vegapunk and it surprises Franky and the rest of the Straw Hats. Meanwhile, Luffy’s group gets to the surface of the island where futuristic buildings stand and unknown giant creatures wander about.
While Luffy and the others are enjoying the futuristic machines of Egghead, someone who resembles Bartholomew Kuma comes after them. When Luffy tries to fight back, Bonney stops him and reveals her shocking relationship with Kuma.
The Blackbeard Pirates ambushed the Heart Pirates led by Law. The Blackbeard Pirates’ top officers use a variety of formidable Devil Fruit powers and keep pushing the Heart Pirates in order to obtain the copies of the Road Ponegliffs.
The Straw Hats without Luffy, Chopper, and Jimbei are taken to the laboratory on the clouds far above the ground by Lilith. They get excited about the things they've never seen before. However, inside the laboratory, a new threat is waiting for them.
Nami and the others are attacked by a Pacifista who resembles Jimbei and while they’re in battle, some of Vegapunk’s Satellites look on with excitement. Meanwhile, Luffy and the others find something extraordinary at the scrap heap.