As the Ninja-Pirate-Mink-Samurai Alliance continues with their preparations for the Fire Festival, Zoro returns to Oihagi Bridge along with Hiyori and he challenges Gyukimaru again to reclaim Shusui. The battle is then interrupted by Kawamatsu.

Big Mom has been taken to Onigashima, where she and Kaido begin clashing.

At Onigashima, Kaido and Big Mom continue with their clash. Queen contacts Udon, and Babanuki, having been tamed by Tama, gives Queen a false report.

Back at Udon, Hyogoro gets reacquainted with the other yakuza leaders, who join the rebellion.

At Oihagi Bridge, Hiyori and Kawamatsu have a heartfelt reunion. The reunion is cut short as a group of Beasts Pirates arrives, seeking revenge on Gyukimaru. Zoro and Kawamatsu defeat the attackers, and Gyukimaru flees the scene with Zoro chasing after him.

After the reunion, Kawamatsu tells Hiyori about everything that happened to him since they separated.

At the secret place where Kawamatsu stored weapons, Zoro agrees to return Shusui in exchange for Enma. At the Flower Capital, Law subdues Hawkins and escapes prison with the help from an unknown individual. As the day of the Fire Festival draws closer, the Ninja-Pirate-Mink-Samurai Alliance continues with their preparations for the raid on Onigashima. Apoo returns to Wano with a group of gigantic beings known as the Numbers. At Onigashima, Kaido and Big Mom decide to put aside their feud and form an alliance to conquer the world.

Kin’emon, Momonosuke, and the others can’t fight back tears when they hear that Hiyori is alive. Zoro is stunned by Enma’s demonic power and its ties to him. And as the day of the Fire Festival is finally in sight, Kin’emon and the others head out for the rendezvous point.

The resolution that passed the Reverie and the incidents surrounding the conference stun people all over the world and corner the Seven Warlords of the Sea. Meanwhile, a Navy captain Koby secretly contacts someone who is currently in the Land of Wano.

Admiral Issho and Fleet Admiral Sakazuki argue over the abolition of the Seven Warlord system and the alliance of the two Emperors of the Sea. Meanwhile, ex-Fleet Admiral Sengoku teaches the young Navy soldiers about the legendary Rocks Pirates that Kaido and Big Mom once belonged to along with all the other big names.

On the day of the Fire Festival, Orochi leaves the mainland of the Land of Wano heading for Onigashima where a big banquet will take place. Meanwhile, at Tokage Port, the rendezvous point for the rebel group, Kin’emon and the others are stunned by the fact that none of their allies are there.

It is revealed that Orochi had the Beasts Pirates bombed the Thousand Sunny and destroyed some bridges to cut off routes to Tokage Port. At the port, the Nine Red Scabbards prepare to continue with the raid on their own. A flashback to many years ago begins.

The Mountain God continues its rampage in the Flower Capital until Oden confronts and defeats it. After this incident, Oden was expelled from the capital. Due to their admiration for Oden, Kin'emon and Denjiro decide to follow him.

Oden transforms the wild land of Kuri into a habitable region and is made Daimyo over it. Then he meets Kawamatsu the Kappa and the two Minks, Dogstorm and Cat Viper, who become his followers like the others. Kin’emon and the other vassals are scolded by Yasuie when they try to steal money from him, and they begin reforming themselves for their lord Oden.

Kozuki Oden's dreams to leave Wano lead him directly to Whitebeard after he learns of the pirate's arrival. After a brief battle, Oden begs Whitebeard to let him join his crew. Whitebeard denies his request due to concerns about Oden's character.

Toki tends to Oden after he rescued her from the kidnappers. On the next day, they are confronted by the kidnappers and their leader, Karma. Whitebeard intervenes and knocks out Karma. Whitebeard accepts Oden into his crew because of his selflessness.

Orochi plots to take the shogunate with Higurashi's assistance. As Oden continues his journey with the Whitebeard Pirates, he finally encounters the Roger Pirates. A clash between Edward Newgate and Gol D. Roger ensues.

Roger is amazed when he finds out that Oden can read the script on the Ponegliff since he believes it will guide him to the last, undiscovered island where no man has ever been. Roger begs Whitebeard for permission to take Oden with him on a one-year journey. But Oden gives it some thought and speaks his mind as well!

Singing out loud, the Roger Pirates continue on with their journey. They soar up to the island above the clouds and go down into the deep sea to get to the island at the sea bottom. Oden deciphers the Ponegliffs on those islands for Roger who believes those inscriptions will tell them the location of the last island on the Grand Line.

Oden and the Roger Pirates head for the Land of Wano to obtain a copy of the Road Ponegliff. Oden sees Kin’emon and the others for the first time in years, but he immediately returns to the sea leaving his wife and children behind. Then, after stopping by at the Mokomo Dukedom and getting a copy of the last Road Ponegliff, the Roger Pirates finally make it to the last island.

After reaching Laugh Tale, Roger declares the disbanding of his pirate group and disembarks first. Oden gets dropped off at the Land of Wano and reunites with his family and retainers. Later, he hears that Orochi took over the country with the help of a strong pirate named Kaido after the Shogun Sukiyaki’s death and becomes enraged by stories of his tyrannical acts.

Enraged by Orochi’s tyrannical acts, Oden raids his castle in the Flower Capital and points his sword at Orochi. However, hours later, people who were waiting for Oden to come out after defeating Orochi see the unexpected. Meanwhile, the King of the Pirates Roger’s execution and last words are printed in newspapers and spread across the world.

Oden keeps dancing naked in the Flower Capital and losing all the trust of the people. One day, Orochi comes to Kuri and reveals his evil plan for the Land of Wano as well as his brutalities against the country’s mobster and Oden’s friend, Hyogoro and his wife. Despairing and in a rage, Oden finally decides to take down Orochi’s supporter, Kaido.

Kaido comes to the mainland along with his troops to fight against Oden and the Akazaya samurai who were on their way to raid Kaido’s mansion. Even though Oden’s group are unprepared and outnumbered, they fight hard to save the future of the Land of Wano.

Oden and the Akazaya members are sentenced to death by boiling in a pot. Oden asks for a chance to survive which is accepted by Kaido. Then, Oden enters the boiling pot holding his retainers over his head. Shinobu watches from among the spectators and reveals what Oden had been doing to save the country, to the surprise of the citizens.

As Oden continues trying to survive in the boiling pot holding his retainers over his head, people learn the truth from Shinobu and get shocked. At the same time, Oden tells his retainers the importance of opening the borders of the Land of Wano. Time ticks down for Oden and his clan’s freedom.

As Kin’emon and the others run to Oden Castle to save Oden’s family, the castle is set on fire and Kaido attacks Toki and her children. Leaving Momonosuke to Kin’emon and Hiyori to Kawamatsu, Toki appears in front of the desperate people of the Land of Wano and gives a prophecy.