A freak accident sends three Australian kids into a computer-generated world of pirates and swashbuckling heroes. The kids must help a group of adventurers find a buried treasure and a way back to the real world.

A rip-roaring fantasy adventure, Pirate Islands sees 15-year old Kate and her younger brother and sister trapped inside a computer game set on an island controlled by swashbuckling pirates. They soon discover that the only way home is to finish the game-by beating the pirates and the castaway children to the hidden pirate treasure.

When 15-year-old Kate Redding and her younger brother and sister are sucked into their computer game into a land of 18th Century swashbuckling pirates, there is bound to be plenty of action and adventure. Marooned in an exotic archipelago, the three children set up base in a tree house and do battle with Captain Blackheart, his band of Pirates and a stranded group of Castaway Children. They discover the only way home is to finish the game-by beating the Pirates and the Castaway Children to the hidden pirate treasure.