Season 1 follows Monkey D. Luffy, a spirited young man who gained the ability to stretch like rubber after eating a . His goal is to find the "One Piece," a legendary treasure hidden by the late King of the Pirates, Gold Roger. The story is structured through several key story arcs:
One Piece Season 1: The Humble, Wild Beginning of a Legend
: Luffy begins his voyage, frees the cabin boy Koby from the pirate Alvida, and recruits his first crewmate, the "Pirate Hunter" Roronoa Zoro .