Monkey D. Luffy enters a food tournament hosted by the International Gourmet Organization, vying with Toriko and Son Goku for the rare Carat Sizzled Cattle. He competes alongside several Straw Hat crew members on a course branching into mountain, desert, and forest paths. Luffy deliberately chooses the most challenging mountain route alongside Goku and Toriko.

The trio reaches the finish line simultaneously, sparking a fierce battle for victory that causes massive arena destruction. This chaos inadvertently results in Mr. Satan being declared the winner. Luffy joins the ensuing feast where the prize meat is shared.

A new threat emerges when the energy-draining sea creature Akami attacks, siphoning power from multiple participants. Luffy, Toriko, and Goku confront Akami, coordinating their efforts. Luffy contributes his combat skills during the battle, executing an Elephant Gatling attack. He assists by distracting Akami while Goku prepares the Spirit Bomb, leading to Akami's defeat through their combined actions.

Luffy cooperates with Goku and Toriko during both the race and the Akami battle. He later celebrates at a banquet with other participants. His crew members, including Zoro, remain engaged in separate activities elsewhere on the island throughout these events.