The story is set in a world of different dimensions, where two completely different worlds meet. Luffy, the successor of the Pirate King in "One Piece", unexpectedly meets the villain Bald Qiang in "Bear Bears". Due to a misunderstanding, Luffy and Bald Qiang launched an earth-shattering showdown. Although the two have very different origins, one is a free-spirited pirate, and the other is a lumberjack foreman who constantly does evil for profit, but they are both full of ambitions in their goals and insist on their own beliefs. Through their duel, the story shows the collision of different values and lifestyles, and how they ultimately discover their inner changes in this conflict.