PartoneoftheTreasureIslandKidsSeriesfollowsCharlie,arebelliousteenagersenttosummercampbyhisparents.Thisisnotanyoldsummercamp,thisistherealIsland.Meanwhile,theevilCaptainFlintplotstotakeovertheislandandtakeallthegoldhiddenthereforhimself.Charliemustleadthekidstovictoryorlosetheislandforever.