Twelve-year-old Fin, a master thief from the pirate world of Khaznot Quay, and Marrill, also twelve, of Arizona, cross paths in the magical world of the Pirate Stream while on a quest for a mysterious map.

When he accompanies Joe and his friends to look for treasure in the condemned Trumbull barn, Wishbone imagines himself as young Jim Hawkins who acquires a treasure map and soon finds himself involved with dangeorous pirates.

Bored farm animals turn different vehicles into pirate ships to create excitement.

"Young Jim Hawkins and his friends set sail for Treasure Island, hoping to find the buried loot of Captin Flint, fiercest of all the pirates. But, unknown to them, the crew of their own ship is made up of Flint's former crew, led by the evil one-legged pirate Long John Silver. Once on the island Jim and his friends must find the buried treasure and escape before the pirates capture them. Robert Louis Stevenson's timeless tale of greed and gold remains...