Gambler John Merrick (Frank Lovejoy) is the head of a bookie syndicate and the newspaper is crusading against him and the rackets, primarily because Merrick is in love with Felice Stuart (Joan Weldon), daughter of the newspaper publisher who can not break up the romance through persuasion. A senate committee investigating crime gets involved, the racketeers, other than Merrick ...
Three kid detectives go on an epic journey to eerie Skeleton Island. Once home to pirates, it's now plagued by a mysterious beast.