The only inhabitant of the island is Zenny who lives with his goats.
While being chased by the Marines, Luffy and his crew get lost in the fog and discover an uncharted island. They find out that the island is inhabited only by an old man named Zenny and a multitude of goats.
They also find a partially constructed ship on the top of the island. The Straw Hat Pirates help the old man out while hiding from the Marines led by Moore and Minchey and work to get his ship into the water.