After deciding not to face Enel, Luffy and his crew return from Sky Island and continue on their journey. On their way to the Island named Thriller Bark they meet a guy named Brook who joins their crew. In Thriller Bark a man named Geko Moria lives, he is a shadow thief. He heard about Straw Hat Pirates arriving to the Thriller Bark and sends his men to capture the pirates and collect the bounty on their heads set up by the World Government.
So, Luffy has to decide whether to engage in a fight and defeat Geko Moria or to escape from the Island?