A variety of people are searching for a long-hidden treasure somewhere on an island. Chapter titles: 1.The Isle of Fear 2.The Ghost Talks 3.The Phantom Duel 4.Buried Alive 5.The Girl Who Vanished 6.Trapped by the Flood 7.The Cannon Roars 8.The Circle of Death 9.The Pirate's Revenge 10.The Crash 11.Dynamite 12.The Bridge of Doom 13.The Mad Flight 14.The Jaws of Destruction 15.Justice