the straw hats and you were on the delta island for the Pirate Fest, a large pirate gathering organized by Buena Festa. Festa sends the pirates to a floating island to hunt for a treasure that belonged to the Pirate King, Gol D. Roger, and right now. you guys are sailing up their at the floating island as robin, brook, sanji, chopper and law went to investigate under the island to get the master mind who was going make a war/a destruction in the island.