Monkey D. Luffy wants to become the King of all pirates. Along his quest he meets: a skilled swordsman named Roronoa Zolo; Nami, a greedy thief who has a knack for navigation; Usopp, a great liar who has an affinity for inventing; Sanji, a warrior cook; Chopper, a sentient deer who is also a skilled physician; and Robin, former member of Baroque Works. The gang sets sail to unknown seas in Grand Line to find the treasure of One Piece.