The adventure carries on with Episode 2. After clearing Episode 1, you can use its save file to access this game to continue with your quests. Original characters make their appearance and existing characters such as Luffy and crew get new fighting skills. Go into areas that are previously forbidden, such as Usopp's work shop and discover the little gadgets that he is mucking around with.
To make your exploration easier, new vessels appear, Merry the ship now appears as a row boat which you can use to access places where larger ships could not enter. Comical elements persists, see what trouble Luffy gets into when he ignores warnings and how Nami berates Luffy, Brook and Chopper after they were bailed out of a particularly sticky situation.