Every kind of seafaring cliché is required to get the young folks there — evil-looking crewmen, a kindly officer, grog, cursing, man overboard, an albatross. They arrive at Treasure Island to find that the three pirates abandoned there 40 years back are not simply still alive but have managed to overpower dozens of shipwrecked slaves and guards, creating an evil empire that must be defeated before the treasure can be claimed.