The Pirate King, Gol D. Roger, was notorious for his strength and notoriety on the Grand Line. However, his apprehension and execution by the World Government created changes that echoed throughout the world. In his final moments, Roger revealed the existence of the ultimate treasure, One Piece. This revelation marked the beginning of the Grand Age of Pirates, where countless men sought to fulfill their dreams of discovering the unknown treasure and achieving fame and glory as the Pirate King.

Enter Monkey D. Luffy, a 17-year-old who defies the conventional image of a pirate. Unlike the stereotypical image of a sinister, ruthless pirate who pillages for personal gain, Luffy seeks adventure and encounters with unique individuals, leading him to the legendary treasure. As he follows in the footsteps of his childhood hero, Luffy and his crew embark on a wild journey across the Grand Line, facing intense challenges, revealing the darkest secrets, and engaging in battles with formidable enemies, all to attain their ultimate goal, One Piece.